Washington, D.C. 20549




Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934 (Amendment No.     )


Filed by the Registrant  


Filed by a Party other than the Registrant  


Check the appropriate box:

Preliminary Proxy Statement

Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

Definitive Proxy Statement

Definitive Additional Materials

Soliciting Material under §240.14a-12


Willdan Group, Inc.

(Name of Registrant as Specified In Its Charter)



(Name of Person(s) Filing Proxy Statement, if other than the Registrant)


Payment of Filing Fee (Check all boxes that apply):

No fee required.

Fee paid previously with preliminary materials.

Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.


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+ 111111111111111111111111111111111111111111111111111111111111 f/MWILLDAN c 1234567890 000004 ENDORSEMENT_LINE SACKPACK _ 1111111111111111111111111111111 11111111III 11111I 1PI 11I 1IIIII 1I 111II•IIIIIIIIIII•II111111111111111111•1•1111I 1111111111 MRASAMPLE DESIGNATION (IF ANY) ADD1 ADD2 ADD3 ADD4 ADDS ADD6 -Online Before the Annual Meeting. Go to www.investorvote.com/WLDN or scan the QR code - login details are located in the shaded bar below. During the Annual Meeting. Go to meetnow.globai/M2CGRW4.Have the number that is printed in the shaded bar below available and follow the instructions on the reverse side. Annual Meeting Notice ( 1234 5678 9012 345 ) Important Notice Regarding the Availability of Proxy Materials for the Willdan Group,Inc.Annual Meeting of Stockholders to be Held on June 9,2022 Under Securities and Exchange Commission rules, you are receiving this notice that the proxy materials for the 2022 annual meeting of stockholders are available on the Internet. Follow the instructions below to view the materials and vote online or request a paper or email copy. The items to be voted on and location of the annual meeting are on the reverse side. Your vote is important! This is not a ballot.This communication presents only an overview of the more complete proxy materials that are available to you on the Internet.We encourage you to access and review all of the important information contained in the proxy materials before voting.The 2022 proxy statement and 2021AnnualReport to shareholders are available at http://ir.willdangroup.com/financial-information/annual-report www.investorvote.com/WLDN Easy Online Access - View your proxy materials and vote. Step 1: Step 2: Step 3: Step 4: Step 5: Go to www.investorvote.com/WLDN. Click on the icon on the right to view meeting materials. Return to the investorvote.com window and follow the instructions on the screen to log in. Make your selections as instructed on each screen for your delivery preferences. Vote your shares. When you go online,you can also help the environment by consenting to receive electronic delivery of future materials. Obtaining a Paper or Email Copy of the Proxy Materials - If you want to receive a copy of the proxy materials, you must request one.There is no charge to you for requesting a paper or email copy.Please make your request as instructed on the reverse side on or before May 27, 2022 to facilitate timely delivery• • + 2NOT COY 03MUQC

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AnnualMeeting Notice Willdan Group,Inc.'s Annual Meeting of Stockholders will be held on Thursday,June 9, 2022 at 10:00 a.m.Pacific Daylight Time. Proposals to be voted on at the meeting are listed below along with the Board of Directors'recommendations. The Board of Directors recommend a vote FOR all the nominees listed and FOR Proposals 2,3 and 4. 1. Election of seven members of the Board of Directors,each to serve a one-year term or until their successors are duly elected and qualified: 01-Thomas D.Brisbin 02 • Steven A.Cohen 03 - Cynthia A.Downes 04 ·Dennis V.McGinn 05 • Wanda K.Reder 06 - Keith W.Renken 07 - Mohammad Shahidehpour 2. Ratification of the appointment of Crowe LLP as the independent registered public accounting firm for the year ending December 30, 2022. 3. Approval,on a non·binding advisory basis, of our named executive officer compensation. 4. Approval of an amendment to the Company's 2008 Performance Incentive Plan (the "2008 Plan"),including an increase in the number of shares available for grant under the 2008 Plan. PLEASE NOTE-YOU CANNOT VOTE BY RETURNING THIS NOTICE.To vote your shares you must go online or request a paper copy of the proxy materials to receive a proxy card. The 2022 AnnualMeeting of Stockholders of WILLDAN GROUP,INC.will be held on Thursday,June 9, 2022 at 10:00 a.m.Pacific Daylight Time,virtually via the internet at meetnow.globai/M2CGRW4. To access the virtualmeeting,you must have the information that is printed in the shaded bar located on the reverse side of this form. Here's how to order a paper or emailcopy of the proxy materials and select delivery preferences: Current and future delivery requests can be submitted using the options below. If you request an email copy,you will receive an emailwith a link to the current meeting materials. PLEASE NOTE:You must use the number in the shaded bar on the reverse side when requesting a paper or email copy of the proxy materials. Internet - Go to www.investorvote.com/WLDN. Phone-Call Computershare free of charge at 1-866·641·4276. Email-Send an email to investorvote®computershare.com with "Proxy Materials Wllldan Group,Inc." in the subject line.Include your full name and address,plus the number located in the shaded bar on the reverse side,and state whether you want a paper or email copy of the meeting materials. To facilitate timely delivery,requests for a paper copy of proxy materials must be received by May 27,2022.