Amendment to Schedule 13D Filing for BJ's Restaurants Inc.

Act III Holdings LLC, through its filings, has reported an increase in its beneficial ownership of BJ's Restaurants Inc. common stock. Between March 12 and March 19, 2026, the reporting persons, including Act III Holdings LLC, BJ's Act III, LLC, and Ronald M. Shaich, purchased a total of 378,314 shares of common stock in open market transactions. These purchases were made for investment purposes at weighted average prices ranging from $33.93 to $34.95 per share. Following these transactions, Act III Holdings LLC and its affiliates now hold a total of 1,708,163 shares, representing 7.7% of the outstanding common stock. This increase in ownership is within the limits set by a Cooperation Agreement Amendment dated November 14, 2025, which restricts their beneficial ownership to no more than 2,091,011 shares. The agreement, extended to June 30, 2027, also includes revised standstill provisions.