Metallus Inc. — Director's Dealing 2018

May 8, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TimkenSteel Corp (TMST)
CIK: 0001598428
Period of Report: 2018-05-08

Reporting Person: Beskid Tina M (VP, Controller and IR)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-08	Common Shares	S	311	$17.3401	Disposed	20303	Direct
2018-05-08	Common Shares	M	2050	$7.46	Acquired	22353	Direct
2018-05-08	Common Shares	S	2050	$17.3324	Disposed	20303	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-05-08	Non-qualified Stock Option (right to buy)	$7.46	M	2050	Disposed	2026-02-17	Common Shares (2050.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Shares	599	Indirect

Footnotes

F1: Price reported is the weighted average sale price for shares sold by the reporting owner on May 8, 2018. Shares were sold at a variety of prices ranging from $17.31 to $17.36.

F2: Vests in four equal annual installments beginning on February 17, 2017.