CARPENTER TECHNOLOGY CORP — Regulatory Filings 2021

Jun 21, 2021

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 11-K

ANNUAL REPORT

Pursuant to Section 15(d) of the

Securities Exchange Act of 1934

(Mark One)

x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the year ended December 31, 2020

or

o TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from _ to _

Commission File Number 1-5828

Carpenter Technology 401(k) Retirement Plan

(Full title of the plan)

CARPENTER TECHNOLOGY CORPORATION

(Name of issuer of the securities held pursuant to the plan)

1735 Market Street, 15th Floor

Philadelphia, Pennsylvania, 19103

(Address of principal executive office of the issuer)

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Carpenter Technology 401(k) Retirement Plan

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December 31, 2020 and 2019

	Page
Report of Independent Registered Public Accounting Firm	1
Financial Statements:
Statements of Net Assets Available for Benefits as of December 31, 2020 and 2019	3
Statement of Changes in Net Assets Available for Benefits for the Year Ended December 31, 2020	4
Notes to Financial Statements	5
Supplementary Information:
Schedule H, Line 4(i) - Schedule of Assets (Held at End of Year) as of December 31, 2020	15

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Report of Independent Registered Public Accounting Firm

To the plan administrator and plan participants of

the Carpenter Technology 401(k) Retirement Plan

Opinion on the Financial Statements

We have audited the accompanying statements of net assets available for benefits of the Carpenter Technology 401(k) Retirement Plan (the "Plan") as of December 31, 2020 and 2019, and the related statement of changes in net assets available for benefits for the year ended December 31, 2020, and the related notes (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in all material respects, the net assets available for benefits of the Plan as of December 31, 2020 and 2019, and the changes in net assets available for benefits for the year ended December 31, 2020, in conformity with accounting principles generally accepted in the United States of America.

Basis for Opinion

These financial statements are the responsibility of the Plan's management. Our responsibility is to express an opinion on the Plan's financial statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) ("PCAOB") and are required to be independent with respect to the Plan in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud.

Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

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Supplemental Information

The supplemental Schedule H, Line 4(i) - Schedule of Assets (Held at End of Year) as of December 31, 2020 has been subjected to audit procedures performed in conjunction with the audit of the Plan's financial statements. The supplemental information is the responsibility of the Plan's management. Our audit procedures included determining whether the supplemental information reconciles to the financial statements or the underlying accounting and other records, as applicable, and performing procedures to test the completeness and accuracy of the information presented in the supplemental information. In forming our opinion on the supplemental information, we evaluated whether the supplemental information, including its form and content, is presented in conformity with the Department of Labor's Rules and Regulations for Reporting and Disclosure under the Employee Retirement Income Security Act of 1974. In our opinion, the supplemental information is fairly stated, in all material respects, in relation to the financial statements as a whole.

/s/ Baker Tilly US, LLP

We have served as the Plan's auditor since 2004.

Allentown, Pennsylvania

June 21, 2021

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Carpenter Technology 401(k) Retirement Plan

Statements of Net Assets Available for Benefits

December 31, 2020 and 2019

Dollars in thousands	2020	2019
Investments, at fair value:
Registered investment companies	$ 606,102	$ 567,144
Interest in Carpenter Technology Master Trust Fund	21,917	26,828
Common collective trust	26,473	28,248
Total investments at fair value	654,492	622,220
Investment, at contract value:
Interest in Carpenter Technology Master Trust Fund	49,742	48,066
Total investments	704,234	670,286
Notes receivable from participants	13,945	17,781
Net assets available for benefits	$ 718,179	$ 688,067

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Carpenter Technology 401(k) Retirement Plan

Statement of Changes in Net Assets Available for Benefits

Year Ended December 31, 2020

Dollars in thousands	2020
Investment income (loss):
Appreciation in fair value of investments	$ 70,156
Interest in Carpenter Technology Master Trust Fund loss	(6,110)
Dividends	13,271
Net investment income	77,317
Interest income from notes receivable from participants	854
Contributions:
Participant	23,882
Participant rollover	2,816
Employer	22,160
Total contributions	48,858
Transfers in	26
Benefits paid to participants	(96,174)
Administrative expenses	(769)
Net increase in net assets available for benefits	30,112
Net assets available for benefits, beginning of year	688,067
Net assets available for benefits, end of year	$ 718,179

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Carpenter Technology 401(k) Retirement Plan

Notes to Financial Statements

1. Description of the Plan

The following description of the Carpenter Technology 401(k) Retirement Plan (the "Plan") provides general information. A more complete description of the Plan's provisions can be found in the plan document, which is available to participants upon request from Carpenter Technology Corporation (collectively referred to as the "Company" or the "Plan Sponsor").

General

The Plan is a profit-sharing and stock bonus plan which covers substantially all domestic non-union employees of the Company, as well as a certain population of union employees of the Company. The Plan is subject to the provisions of the Employee Retirement Income Security Act of 1974 ("ERISA"). Effective January 1, 2020, the Plan changed its name to Carpenter Technology 401(k) Retirement Plan.

Contributions

Each year, participants may contribute up to 100% of annual compensation on a pre-tax basis, and up to 100% of annual compensation on an after-tax basis, as defined by the plan document. The combined contributions cannot exceed 100% of annual compensation on both a pre-tax and after-tax basis. Participants who have attained age 50 before the end of the plan year are eligible to make "catch-up contributions", which are additional pre-tax contributions. Participants may also contribute amounts representing rollover distributions from other qualified pension plans. Participant contributions to the Plan are recorded in the period that payroll deductions are made from the participants. The Company contributes an amount equal to 3% of each participant's base pay and a matching contribution of up to 6%, as defined by the plan document. Participants direct the investment of all contributions into various investment options offered by the Plan. Contributions are subject to certain Internal Revenue Service ("IRS") limitations.

Participant Accounts

Each participant's account is credited with the participant's contribution, the Company's contribution on behalf of the participant, and an allocation of plan earnings based on account balances, as defined. When applicable, participants are charged transaction fees. Participants invested in the Carpenter Technology Stock Fund are charged an administrative fee based on the fund balance. The benefit to which a participant is entitled is the benefit that can be provided from the participant's vested account.

Vesting

All contributions and plan earnings thereon are immediately and fully vested and non-forfeitable.

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Carpenter Technology 401(k) Retirement Plan

Notes to Financial Statements

Notes Receivable from Participants

Participants may borrow from their accounts a minimum of $1,000 up to a maximum equal to the lesser of $50,000 minus the amount of the highest outstanding loan balance on any plan loan during the preceding twelve months, or 50% of their vested account balance minus the current outstanding balance on any other plan loan. Terms range from one to five years for a general purpose loan, and one to ten years for a primary residence loan. The loans are secured by the balance in the participant's account and bear interest at rates that range from 4.25% to 6.50% at December 31, 2020, which represent the Prime Rate on the last business day of the month preceding the month in which the loan was distributed plus 1%. Principal and interest are paid ratably through bi-weekly payroll deductions. See also the CARES Act section that follows for temporary changes to the rules for notes receivable from participants.

Payment of Benefits

Benefits paid to participants include participant withdrawals and participant distributions. Participant withdrawals are withdrawals taken while an active employee of the Company and include hardship withdrawals, non-hardship withdrawals, and withdrawals after age 59½. Participant withdrawals are subject to certain restrictions as defined by the plan document. Upon termination of service due to death, disability, retirement, or other reasons, participants are eligible to receive a lump sum distribution. A participant may elect to defer such distribution provided the account balance is at least $5,000. A participant must take the first required minimum distribution ("RMD") for the year in which they turn age 72 (70 ½ if they reach 70 ½ before January 1, 2020). However, the first payment can be delayed until April 1 of 2020 if they turn 70½ in 2019. If they reach 70½ in 2020, they have to take their first RMD by April 1 of the year after they reach the age of 72. For all subsequent years, including the year in which they were paid the first RMD by April 1, they must take the RMD by December 31 of the year. The payment of benefits from the Carpenter Technology Stock Fund is made in shares of Carpenter Technology Corporation common stock or cash, at the participant's option. All other payments of benefits are made in cash. See also the CARES Act section that follows for temporary changes to the rules for payment of benefits.

Transfers

The Plan had transfers in of $26,000 representing a transfer from another qualified benefit plan of the Plan Sponsor as a result of a participant transfer between companies or other such event that would result in a change of plan eligibility.

CARES Act

On March 27, 2020, the Coronavirus Aid, Relief and Economic Security Act (CARES Act) was signed in law. This aid package was designed to help the economy from the effects of the coronavirus pandemic, and included provisions affecting employee benefit plans. The following provisions were mandated or adopted in 2020:

• During 2020, withdrawals up to $100,000, less the amount of any outstanding loans from the Plan, were permitted for participants who were employed by the Company and self-certified to the Plan Administrator that they met one of the following criteria:

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Carpenter Technology 401(k) Retirement Plan

Notes to Financial Statements

◦ participant or their spouse or dependent was diagnosed with COVID-19 by a test approved by the Centers for Disease Control and Prevention; or

◦ due to COVID-19, participant experienced adverse financial consequences as a result of: being quarantined, being furloughed or laid off, having work hours reduced, being unable to work due to lack of child care, or the closing or reduced hours of their owned business.

• Participants who were employed by the Company and self-certified to meet one of the aforementioned criteria were permitted to suspend their plan loan through the end of 2020. Their loan would be reamortized and payments would resume in 2021.

• The RMD rules were waived for 2020, including for participants who reached eligibility in 2019 and had not yet received their distribution.

2. Summary of Significant Accounting Policies

Basis of Accounting

The financial statements of the Plan are prepared on the accrual method of accounting.

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, and changes therein, and disclosure of contingent assets and liabilities. Actual results could differ from those estimates.

Investment Valuation and Income Recognition

A portion of the Plan's assets are invested in fully benefit-responsive investment contracts through its investment in the Standish Mellon Stable Value Fund within the Carpenter Technology Master Trust Fund ("Master Trust") and are reported at contract value. Contract value is the amount participants would receive if they were to initiate permitted transactions under the terms of the Plan. See Note 4 for further discussion of the Master Trust investment.

All other investments are reported at fair value. Fair value is the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. See Note 3 for further discussion of fair value measurements.

Purchases and sales of investments are recorded on a trade-date basis. Interest income within the Master Trust is recorded on the accrual basis. Dividends are recorded on the ex-dividend date. Net appreciation and interest in Master Trust loss include the gains and losses on investments bought and sold as well as held during the year.

Notes Receivable from Participants

Notes receivable from participants are measured at their unpaid principal balance plus any accrued but unpaid interest. Interest income is recorded on the accrual basis. Delinquent notes receivable are recorded as distributions based upon the terms of the plan document. No allowance for credit losses has been recorded as of December 31, 2020 and 2019.

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Carpenter Technology 401(k) Retirement Plan

Notes to Financial Statements

Administrative Expenses

The Plan's assets are administered under a contract with The Vanguard Fiduciary Trust Company (the "Trustee"). The Trustee invests funds received from contributions, investment sales, interest and dividend income and makes benefit payments to participants. Transaction fees and certain administrative fees are paid by the participant. The remaining administrative fees are netted against the investment income in the Statement of Changes in Net Assets Available for Benefits. All other fees are paid by the Company and are excluded from these financial statements.

Payment of Benefits

Benefit payments to participants are recorded when paid.

Recent Accounting Standard

In August 2018, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2018-13, Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement . ASU No. 2018-13 modifies the disclosure requirements for fair value measurements in Topic 820, Fair Value Measurement . The amendments are based on the concepts in the FASB Concepts Statement, Conceptual Framework for Financial Reporting-Chapter 8: Notes to Financial Statements , which the FASB finalized on August 28, 2018. ASU No. 2018-13 is effective for fiscal years beginning after December 15, 2019. The adoption of ASU No. 2018-13 effective January 1, 2020 did not have a material impact on the Plan's disclosures.

Subsequent Events

Effective September 1, 2021, the Amega West 401(k) Retirement Plan, another qualified plan of the Company, will be merged with and into the Plan.

3. Fair Value Measurements

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The framework for measuring fair value provides a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1) and the lowest priority to unobservable inputs (Level 3). The three levels of the fair value hierarchy under authoritative guidance are described as follows:

Level 1 Inputs: Quoted prices (unadjusted) in active markets for identical assets or liabilities that the Plan has the ability to access.

Level 2 Inputs: Inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly.

Level 3 Inputs: Unobservable inputs for the asset or liability.

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Carpenter Technology 401(k) Retirement Plan

Notes to Financial Statements

Following is a description of the valuation methodologies used for assets measured at fair value. There have been no changes in the methodologies used at December 31, 2020 and 2019.

Registered investment companies - Valued at closing price reported on the active market on which the individual funds are traded. These funds are required to publish their daily net asset value ("NAV") and to transact at that price, and are considered to be actively traded.

Carpenter Technology Stock Fund held within the Master Trust - Valued at closing price of the Plan Sponsor's common stock as reported on the active market on which the securities are traded.

Short-term investment funds held within the Master Trust – Valued based on quoted market values reported on active markets on which the individual securities are traded.

Common collective trust - Valued at the NAV of units of a collective trust. The NAV is used as a practical expedient to estimate fair value and is based on the fair value of the underlying investments held by the fund less its liabilities.

The asset or liability's fair value measurement level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement. Valuation techniques maximize the use of relevant observables and minimize the use of unobservable inputs.

The following table sets forth by level, within the fair value hierarchy, the Plan's assets at fair value as of December 31, 2020 and 2019.

Dollars in thousands	Fair Value Measurement Using Inputs Considered as	2020	2019
Registered investment companies	Level 1	$ 606,102	$ 567,144
Interest in Carpenter Technology Master Trust Fund
Carpenter Technology Stock Fund	Level 1	18,626	23,183
Short-term investment fund	Level 1	3,291	3,645
Common collective trust	(1)	26,473	28,248
Total investments at fair value		$ 654,492	$ 622,220

(1) Investments that are measured at NAV or its equivalent per share as a practical expedient are excluded from the fair value hierarchy. The fair value presented herein permits reconciliation to the Statements of Net Assets Available for Benefits.

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Carpenter Technology 401(k) Retirement Plan

Notes to Financial Statements

The following table represents the investment at fair value based on NAV per share as of December 31, 2020 and 2019.

Dollars in thousands	2020	2019	Unfunded Commitments	Redemption Frequency	Redemption Notice Period
Common collective trust (1)	$ 26,473	$ 28,248	None	Daily	30 days

(1) The Plan invests in the Prudential Core Plus Bond Fund Collective Trust, which invests in investment-grade fixed income securities, and seeks to outperform the Barclays Capital U.S. Aggregate Bond Index, which broadly represents the performance of debt securities publicly traded in the U.S.

4. Investment in the Master Trust

The Master Trust is comprised of two funds – the Carpenter Technology Stock Fund and the Standish Mellon Stable Value Fund.

Carpenter Technology Stock Fund - The Carpenter Technology Stock Fund holds investments in the common stock of the Plan Sponsor. These investments are reported at fair value.

Standish Mellon Stable Value Fund - This fund holds investments in a short-term investment fund which is reported at fair value, as well as investments held in fully benefit-responsive guaranteed investment contracts ("GICs") which are reported at contract value. See Note 5 for further discussion of fully benefit-responsive GICs.

The Master Trust, which is administered by the Trustee, holds the investments of these funds for the Plan Sponsor's participating plans, which include the Plan, the Amega West 401(k) Retirement Plan, and the Latrobe Company 401(k) Retirement Plan. Use of the Master Trust permits the commingling of trust assets for investment and administrative purposes. Although the assets of each plan are commingled in the Master Trust, the Trustee maintains separate supporting records for the purpose of tracking the individual activity of each plan. The investments held in the Master Trust are accounted for at the plan level since the participating plans have a divided interest in assets held in the Master Trust.

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Carpenter Technology 401(k) Retirement Plan

Notes to Financial Statements

The net assets of the Master Trust and the Plan's divided interest in the Master Trust as of December 31, 2020 and 2019 are as follows:

Dollars in thousands	2020 — Master Trust	Plan's Divided Interest
Investments, at fair value:
Standish Mellon Stable Value Fund
Short-term investment fund	$ 3,490	$ 3,291
Carpenter Technology Corporation Stock Fund	18,945	18,626
Total investments at fair value	22,435	21,917
Investments, at contract value:
Standish Mellon Stable Value Fund
Fixed maturity synthetic GIC	4,506	4,249
Constant duration synthetic GICs	48,245	45,493
Total investments at contract value	52,751	49,742
Net assets in Master Trust	$ 75,186	$ 71,659

Dollars in thousands	2019 — Master Trust	Plan's Divided Interest
Investments, at fair value:
Standish Mellon Stable Value Fund
Short-term investment fund	$ 3,840	$ 3,645
Carpenter Technology Corporation Stock Fund	23,439	23,183
Total investments at fair value	27,279	26,828
Investments, at contract value:
Standish Mellon Stable Value Fund
Fixed maturity synthetic GIC	5,501	5,222
Constant duration synthetic GICs	45,134	42,844
Total investments at contract value	50,635	48,066
Net assets in Master Trust	$ 77,914	$ 74,894

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Carpenter Technology 401(k) Retirement Plan

Notes to Financial Statements

The change in the net assets of the Master Trust for the year ended December 31, 2020 was as follows:

Dollars in thousands
Investment (loss) income:
Depreciation in fair value of investments
Carpenter Technology Corporation Stock Fund	$ (7,685)
Interest and dividends
Standish Mellon Stable Value Fund	1,085
Carpenter Technology Corporation Stock Fund	508
Net investment loss	(6,092)
Net transfers in	3,364
Net decrease in net assets available for benefits	(2,728)
Net assets available for benefits, beginning of year	77,914
Net assets available for benefits, end of year	$ 75,186

5. Fully Benefit-Responsive Investment Contracts

The Standish Mellon Stable Value Fund within the Master Trust holds a portfolio of synthetic GICs. The Plan owns the underlying assets of the synthetic GICs. These contracts meet the fully benefit-responsive investment contract criteria and therefore are reported at contract value. Contract value is the relevant measure for fully benefit-responsive investment contracts because this is the amount received by participants if they were to initiate permitted transactions under the terms of the Plan. Contract value represents contributions made under each contract, plus earnings, less participant withdrawals and administrative expenses.

The synthetic GICs held by the Plan include wrapper contracts that provide a guarantee that the credit rate will not fall below 0%. Cash flow volatility (for example, timing of the benefit payments) as well as asset underperformance can be passed through to the Plan through adjustments to future contract crediting rates. Formulas are provided in each contract that adjust renewal crediting rates to recognize the difference between the fair value and the book value of the underlying assets. Crediting rates are reviewed periodically for resetting.

The Plan's ability to receive amounts due in accordance with fully benefit-responsive synthetic GICs is dependent on the third-party issuer's ability to meet its financial obligations. The issuer's ability to meet its contractual obligations may be affected by future economic and regulatory developments.

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Carpenter Technology 401(k) Retirement Plan

Notes to Financial Statements

Certain events might limit the ability of the Plan to transact at contract value with the contract issuer. These events may be different under each contract. Examples of such events include the following: (1) the Plan's failure to qualify under Section 401(a) of the Internal Revenue Code ("IRC") or the failure of the trust to be tax-exempt under Section 501(a) of the IRC, (2) premature termination of the contracts, (3) plan termination or merger into an unaffiliated plan, (4) changes to the Plan's prohibition on competing investment options, and (5) bankruptcy of the Plan Sponsor or other Plan Sponsor events (for example, divestitures or spinoffs of a subsidiary) that significantly affect the Plan's normal operations.

No events are probable of occurring that might limit the ability of the Plan to transact at contract value with the contract issuers and that also would limit the ability of the Plan to transact at contract value with the participants.

In addition, certain events allow the issuer to terminate the contracts with the Plan and settle at an amount different from contract value. Those events may be different under each contract. Examples of such events include the following: (1) an uncured violation of the Plan's investment guidelines, (2) a breach of material obligation under the contract, (3) a material misrepresentation, and (4) a material amendment to the agreements without the consent of the issuer.

6. Related Party and Party-in-Interest Transactions

The Plan issues loans to participants, which are secured by the participants' account balances. These transactions qualify as party-in-interest. Fees paid by the Plan in 2020 for loan services totaled $40,000.

Certain of the Plan's investments are managed by the Trustee, and therefore, these transactions qualify as party-in-interest transactions. Fees paid by the Plan in 2020 to the Trustee for investment management services related to these funds totaled $645,000.

The Carpenter Technology Stock Fund held in the Master Trust at December 31, 2020 is invested in shares of the Plan Sponsor, therefore these transactions qualify as related party and party-in-interest transactions. Fees paid to the Trustee by the Plan in 2020 for investment management services related to this fund were $12,000. In addition, total purchases and sales in 2020, at market value, were $15,732,000 and $12,658,000, respectively. The Plan's interest in the Carpenter Technology Stock Fund included 639,647 and 465,706 of equivalent shares with a share price of $29.12 and $49.78 as of December 31, 2020 and 2019, respectively.

Certain administrative functions of the Plan are performed by officers or employees of the Company. No such officer or employee receives compensation from the Plan.

7. Plan Termination

Although it has not expressed any intent to do so, the Company has the right to discontinue its contributions at any time and to terminate the Plan subject to the provisions of ERISA. In the event of plan termination, participants will remain fully vested in their accounts.

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Carpenter Technology 401(k) Retirement Plan

Notes to Financial Statements

8. Tax Status

The IRS has determined and informed the Company by a letter dated November 7, 2017 that the Plan and related trust are designed in compliance with Section 401(a) of the IRC. Although the Plan has been amended since receiving the determination letter, the plan administrator believes that the Plan is currently designed and being operated in compliance with the applicable requirements of the IRC and therefore believes that the Plan is qualified and the related trust is tax exempt.

Accounting principles generally accepted in the United States of America require management to evaluate tax positions taken by the Plan and recognize a tax liability (or asset) if the Plan has taken an uncertain position that more likely than not would not be sustained upon examination by the IRS. The plan administrator has analyzed the tax positions taken by the Plan, and has concluded that as of December 31, 2020, there are no uncertain positions taken or expected to be taken that would require recognition of a liability (or asset) or disclosure in the financial statements. The Plan is subject to routine audits by taxing jurisdictions; however, there are currently no audits for any tax periods in progress. The plan administrator believes it is no longer subject to income tax examinations for years prior to 2017.

9. Risks and Uncertainties

The Plan invests in various investment securities. Investment securities are exposed to various risks such as interest rate, market and credit risks. Due to the level of risk associated with certain investment securities, it is at least reasonably possible that changes in the values of investment securities will occur in the near term and that such changes could materially affect participants' account balances and the amounts reported in the Statements of Net Assets Available for Benefits.

As of December 31, 2020 and 2019, the Plan had investments of $99,215,000 and $173,309,000, respectively, that were concentrated in one and two funds, respectively.

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Carpenter Technology 401(k) Retirement Plan

Schedule of Assets (Held at End of Year)	EIN: 23-0458500
Form 5500 - Schedule H - Line 4(i)	PN: 020
December 31, 2020

(a)	(b)	(c)	(e)
	Identity of Issue, Borrower, Lessor or Similar Party	Description of Investment, including Maturity Date, Interest Rate, Collateral, Par or Maturity Value	Current Value
	Registered Investment Companies:
	American Funds	American Funds EuroPacific Growth Fund; Class R-6	$ 16,713,000
	Dodge & Cox	Dodge & Cox Stock Fund	16,526,000
	T. Rowe Price	T. Rowe Price Inst Large Cap Growth Fund; Inst Class	33,335,000
*	Vanguard	Vanguard Institutional Index Fund	99,215,000
*	Vanguard	Vanguard Mid-Cap Index Fund; Institutional Shares	33,385,000
*	Vanguard	Vanguard Small-Cap Index Fund; Institutional Shares	18,509,000
*	Vanguard	Vanguard Institutional Target Retirement 2015 Fund	14,718,000
*	Vanguard	Vanguard Institutional Target Retirement 2020 Fund	15,522,000
*	Vanguard	Vanguard Institutional Target Retirement 2025 Fund	65,487,000
*	Vanguard	Vanguard Institutional Target Retirement 2030 Fund	24,897,000
*	Vanguard	Vanguard Institutional Target Retirement 2035 Fund	53,490,000
*	Vanguard	Vanguard Institutional Target Retirement 2040 Fund	15,461,000
*	Vanguard	Vanguard Institutional Target Retirement 2045 Fund	39,411,000
*	Vanguard	Vanguard Institutional Target Retirement 2050 Fund	11,698,000
*	Vanguard	Vanguard Institutional Target Retirement 2055 Fund	22,754,000
*	Vanguard	Vanguard Institutional Target Retirement 2060 Fund	6,699,000
*	Vanguard	Vanguard Institutional Target Retirement 2065 Fund	710,000
*	Vanguard	Vanguard Target Retirement Income	10,147,000
*	Vanguard	Vanguard Total Bond Market Index Fund; Inst Shares	39,334,000
*	Vanguard	Vanguard Total International Stock Index Fund; Inst Shares	43,181,000
*	Vanguard	Vanguard Treasury Money Market Fund	16,140,000
	Wasatch Computer Tech	Wasatch Core Growth Fund; Institutional Class Shares	8,770,000
	Total Registered Investment Companies		606,102,000
	Common Collective Trust:
	Prudential	Prudential Core Plus Bond Fund Collective Trust; Class 6	26,473,000
*	Participant Loans	Loans to Participants - Interest rate range 4.25% - 6.50%	13,945,000
Total			$ 646,520,000
Cost information not included, as all investments are participant-directed
The investment in the Interest in Carpenter Technology Master Trust Fund has been excluded from this schedule.
* indicates Party-in-Interest

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, Carpenter Technology Corporation has duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized.

	Carpenter Technology 401(k) Retirement Plan
	(Name of Plan)
June 21, 2021	/s/ Timothy Lain
	Timothy Lain
	Senior Vice President and Chief Financial Officer
	(Principal Financial Officer )

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EXHIBIT INDEX

Exhibit No.	Description
23.1	Consent of Independent Registered Public Accounting Firm