FOSTER L B CO — Director's Dealing 2024

Apr 9, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FOSTER L B CO (FSTR)
CIK: 0000352825
Period of Report: 2024-04-05

Reporting Person: Treacy William (EVP & Chief Growth Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-04-05	Common Stock	M	1666	—	Acquired	34696	Direct
2024-04-05	Common Stock	F	741	$27.17	Disposed	33955	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-04-05	Performance Stock Units	$	M	1666	Disposed	2026-02-28	Common Stock (1666)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	7000	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Performance Stock Units	$	2026-02-28	Common Stock (3333)	3333	Direct

Footnotes

F1: This amount represents fifty percent of the Performance-based stock unit award granted on 03/31/21 and earned on 04/05/24.

F2: Includes 3,621 Performance Restricted Stock Units earned under the 2022-2024 Long Term Incentive Plan granted on 02/17/2022; those 3,621 Performance Restricted Stock Units will settle at the end of the 2022-2024 performance period on December 31, 2024, upon certification by the Compensation Committee.

F3: Includes 7,101 Performance Restricted Stock Units earned under the 2023-2025 Long Term Incentive Plan granted on 2/14/2023; those 7,101 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2025, upon certification by the Compensation Committee.

F4: Performance-based stock unit award which expires on 02/28/26, 5 years after the grant date. Fifty percent of the award, or 1,666 shares, may be earned when the consecutive 30 day average closing stock price per share of the Company's common stock on the Nasdaq Stock Market is $25.00 per share or more and is generally subject to continued employment with the Company until the third anniversary of the grant date. The remaining 50% of the award, or 1,667 shares, may be earned when the consecutive 30 day average closing stock price per share of the Company's common stock on the Nasdaq Stock Market is $30.00 per share or more and is generally subject to continued employment with the Company until the third anniversary of the grant date. If either or both of these measures are achieved after the third anniversary of the grant date, the shares will be issued upon attainment of such stock price goals and if the grantee is employed by the Company on the date of attainment of such goals.

F5: This amount represents fifty percent of the Performance-based stock unit award granted on 03/31/21 and earned on 04/05/24. The remaining fifty percent of the same award may be earned until 02/28/26, the award's expiration date.