Vikrant Bhatia - 18 Mar 2022 Form 4 Insider Report for Forterra, Inc.

Footnote F1

Pursuant to the Agreement and Plan of Merger, dated as of February 19, 2021 (the "Merger Agreement"), by and among Forterra, Inc., a Delaware corporation, (the "Company", Quikrete Holdings, Inc., a Delaware corporation ("Parent"), and Jordan Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent ("Merger Sub"), Merger Sub merged with and into the Company (the "Merger"), with the Company continuing as the surviving corporation in the Merger and a wholly owned subsidiary of Parent. Pursuant to the Merger Agreement, at the effective time of the Merger, each share of common stock, par value $0.001 per share, of the Company ("Common Stock") was canceled and converted automatically into the right to receive $24.00 per share in cash, without interest and less any applicable tax withholdings.

Footnote F2

Pursuant to the Merger Agreement, each option to purchase shares of Common Stock immediately prior to the effective time of the Merger fully vested and converted into the right to receive, without interest and less any applicable tax withholdings, $24.00 in cash.

Footnote F3

Vested in equal installments on 8/7/2018, 8/7/2019, and 8/7/2020.

Footnote F4

Vested in equal installments on 12/12/2018, 12/12/2019, and 12/12/2020.

Footnote F5

Vested in equal installments on 3/1/2019, 3/1/2020, and 3/1/2021.

Footnote F6

Vested in equal installments on 3/14/2020, 3/14/2021, and 3/14/2022.

Footnote F7

Each restricted stock unit represents the right to receive, at settlement, one share of common stock.

Footnote F8

Pursuant to the Merger Agreement, each restricted stock unit outstanding immediately prior to the consummation of the Merger was canceled and converted into the right to receive, without interest and less any applicable tax withholdings, $24.00 in cash.