HACKETT GROUP, INC. — Director's Dealing 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HACKETT GROUP, INC. (HCKT)
CIK: 0001057379
Period of Report: 2010-05-11

Reporting Person: Archstone Consulting LLC (10% Owner)
Reporting Person: Archstone Consulting UK Ltd (10% Owner)
Reporting Person: Archstone Holdings UK Ltd (10% Owner)
Reporting Person: Archstone Consulting Netherlands BV (10% Owner)
Reporting Person: Archstone Consulting International Holdings Cooperatief U.A. (10% Owner)
Reporting Person: Archstone International Holdings LLC (10% Owner)
Reporting Person: Archstone Intermediate Holdings LLC (10% Owner)
Reporting Person: ARCHSTONE HOLDINGS LLC (10% Owner)
Reporting Person: LAKE CAPITAL PARTNERS LP (10% Owner)
Reporting Person: Lake Capital Investment Partners LP (10% Owner)

Non-Derivative Transactions

Footnotes

F1: This Form 4 is being filed by (i) Archstone Consulting Netherlands BV ("Archstone BV"); (ii) Archstone Consulting UK Limited ("Archstone Consulting UK"); (iii) Archstone Holdings UK Limited ("Archstone Holdings UK"), in its capacity of sole shareholder of Archstone Consulting UK; (iv) Archstone Consulting International Holdings Cooperatief U.A. ("Cooperatief"), in its capacity of sole member of Archstone Holdings UK and Archstone BV; (v) Archstone International Holdings LLC ("International Holdings"), in its capacity of sole member of Cooperatief; (vi) Archstone Consulting LLC ("Archstone Consulting"), as a direct beneficial owner and in its capacity as sole member of International Holdings; (Continue in footnote 2)

F2: (vii) Archstone Intermediate Holdings LLC ("Intermediate Holdings"), in its capacity as a holder of the majority of voting units of Archstone Consulting; (viii) Archstone Holdings LLC ("Archstone Holdings"), in its capacity as a holder of the majority of voting units of Intermediate Holdings; (ix) Lake Capital Partners LP ("Lake Capital"), in its capacity as a holder of the majority of voting units of Archstone Holdings; and (x) Lake Capital Investment Partners LP ("Lake Investment"), in its capacity as general partner of Lake Capital.

F3: This Form 4 is also being filed by Paul G. Yovovich ("Yovovich"), in his capacity as a member of the Limited Partner Committee of Lake Investment.

F4: This Form 4 is also being filed by Terence M. Graunke ("Graunke"), in his capacity as a member of the Limited Partner Committee of Lake Investment and as a member of the board of directors of Issuer.

F5: Each of Graunke, Yovovich, Lake Investment, Lake Capital, Archstone Holdings, Intermediate Holdings, Archstone Consulting, International Holdings, Cooperatief, Archstone Holdings UK, Archstone Consulting UK and Archstone BV may be referred to individually as a "Reporting Person" and collectively as "Reporting Persons".

F6: Information with respect to each Reporting Person is given solely by such Reporting Person, and such Reporting Person has no responsibility for the accuracy or completeness of information supplied by another Reporting Person. The filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any securities covered by this Form 4.

F7: On November 10, 2009, Archstone Consulting, Archstone UK and Archstone BV (collectively, the "Sellers") entered into a Asset Purchase Agreement (the "Purchase Agreement") with Issuer and certain of Issuer's subsidiaries pursuant to which Archstone Consulting, Archstone BV and Archstone Consulting UK agreed to sell to the subsidiaries of Issuer substantially all of their assets, in exchange for 4.657 million shares of Issuer's Common Stock. Of the 4.657 millions shares, 1.655 million were subject to forfeiture if the business related to the purchased assets did not achieve certain certain revenue targets. On May 11, 2010, the Sellers and Issuer reached a settlement, whereby the Sellers agreed to forfeit an aggregate of 220,000 of such shares as follows: (Continue in footnote 8)

F8: (i) Archstone Consulting forfeited 187,000 Issuer shares of which it was the direct beneficial owner, (ii) Archstone UK forfeited 6,600 Issuer shares of which it was the direct beneficial owner and (iii) Archstone BV forfeited 24,600 Issuer shares of which it was the direct beneficial owner.

F9: These shares are owned directly by Archstone BV.

F10: These shares are owned directly by Archstone Consulting UK.