CRA InternationalInc. Watch

from 10-K 29 pages I I'ddal Idih'idka'i'ion No. 04-2372210 Bt Ctomjtontuealtb of Rla••aebu•ett• William.......gdrid Secretary of the <;ommonwealth One Asbburton Place, Boston, Musachuseus 02108-1s12 §3:l Rbstatbd Ab'nclbs Op OB.GANIZATION . (GEOENLTA.N, Cbapller 1568.secdoa '7o6) Tjir 03o /«u 25 "!It 'We, ..:1:::::-=z=i...;c::;•:..;::bul:;;::;r:.::oiib :;:;.:.... • •praideat Aad Peter M. Boaenblul , I >J··--P-..II.MI,, Do Hereby C:enify Tbat Lhc: Following Llatatcmcnt of Cbe Artic:lcl of Oipllizadon Was Duly Adopted Illa Mectida Held on April 9 . 19 98 Byavuteof-Miluz:: U9,370 Sbaresof Cca Jd Stock, Without Par1z5,370 (Lype, Class 6 Sn1n, if Any) ALTNA.EI . the Name of the Corporation Is: <harles River Associates Incorporated C P M R.A. All11cleb the Pua·po!ic: Nr the Corpnratlon Is Lfl Cl1gllle in the Follnwlnjc Businets Acth1tlts: See Continuation Sheet II.A

from 8-K 22 pages Amended and Restated By-Laws of CRA International, Inc

from 8-K 22 pages Amended and Restated By-Laws of CRA International, Inc

from 8-K 22 pages Amended and Restated By-Laws of CRA International, Inc

from 8-K 22 pages Amended and Restated By-Laws of Charles River Associates Incorporated

from S-1/A ~20 pages Proposed Form of Amended and Restated By-Laws

from S-1/A ~20 pages Proposed Form of Amended and Restated By-Laws

from S-1/A ~20 pages Proposed Form of Amended and Restated Articles

from S-1 ~10 pages By-Laws of the Company

from S-1 ~5 pages Restated Articles of Organization