X0306 4 2021-06-24 0 0001777835 Perella Weinberg Partners PWP 0001180592 STEEL ROBERT K 767 FIFTH AVENUE NEW YORK NY 10153 1 0 0 0 Class B-1 Common Stock 2021-06-24 4 A 0 969413 0.00 A Class A Common Stock 969.413 969413 I PWP Professional Partners LP PWP Holdings LP Common Units 2021-06-24 4 A 0 969413 0.00 A Class A Common Stock 969413 969413 I PWP Professional Partners LP Concurrently with an exchange of PWP Holdings LP Common Units (which represent Class A partnership units of PWP Holdings LP) ("PWP OpCo Units") for shares of Class A common stock ("Class A Shares") or cash by a PWP Holdings LP unitholder ("Unitholder") who also holds shares of Class B-1 common stock ("Class B-1 Shares"), such Unitholder will be required to surrender to the Issuer a number of Class B-1 Shares equal to the number of PWP OpCo Units exchanged, and such Class B-1 Shares will be converted into Class A Shares or, at the option of the Issuer, for an equivalent amount of cash, which will be delivered to such Unitholder at a conversion rate of 0.001 Class A Share for one Class B-1 Share. The Reporting Person disclaims beneficial ownership of the securities held by PWP Professional Partners LP, except to the extent of his pecuniary interest therein. Subject to certain lock-up periods, PWP OpCo Units, upon the surrender of an equal number of Class B-1 Shares, may be exchanged for Class A Shares on a one-for-one basis or, at the option of the Issuer, for an equivalent amount of cash. PWP OpCo Units do not expire. /s/ Mark Polemeni, as Attorney-in-Fact 2021-06-28