BRODSKY & SMITH SHAREHOLDER UPDATE: Notifying Investors of the Following Investigations: HilleVax, Inc. (Nasdaq – HLVX), Steelcase Inc. (NYSE – SCS), LAVA Therapeutics N.V. (Nasdaq – LVTX), Arcadia Biosciences, Inc. (Nasdaq – RKDA)

Group 1: HilleVax, Inc. - HilleVax will be acquired by XOMA Royalty Corporation for $1.95 in cash per share plus one non-transferable contingent value right (CVR) [2] - The investigation focuses on whether the HilleVax Board breached its fiduciary duties by failing to conduct a fair process and whether the consideration provides fair value to shareholders [2] Group 2: Steelcase Inc. - Steelcase will be acquired by HNI Corporation for $7.20 in cash and 0.2192 shares of HNI common stock for each share of Steelcase [4] - The implied per share purchase price is $18.30 based on HNI's closing share price of $50.62 on August 1, 2025 [4] - The investigation concerns whether the Steelcase Board breached its fiduciary duties by failing to conduct a fair process and whether the consideration provides fair value to shareholders [4] Group 3: LAVA Therapeutics N.V. - LAVA will be acquired by XOMA Royalty Corporation for between $1.16 and $1.24 per share in cash, plus a non-transferable CVR [6] - The cash amount consists of a base price of $1.16 per share and an additional amount of up to $0.08 per share [6] - The investigation focuses on whether the LAVA Board breached its fiduciary duties by failing to conduct a fair process and whether the consideration provides fair value to shareholders [6] Group 4: Arcadia Biosciences, Inc. - Arcadia will be acquired by Roosevelt Resources LP, with current equity owners of Roosevelt and Arcadia shareholders expected to own approximately 90% and 10% of the combined company, respectively [8] - The investigation concerns whether the Arcadia Board breached its fiduciary duties by failing to conduct a fair process and the potential dilution of shareholders in the combined company [8]