NNNNNNNNNNNN . + CN12N345N678N90 NN ARC GROUP WORLDWIDE, INC. 000004 ENDORSEMENT_LINE______________ SACKPACK_____________ MR A SAMPLE DESIGNATION (IF ANY) ADD 1 ADD 2 ADD 3 ADD 4 ADD 5 ADD 6 Important Notice Regarding the Availability of Proxy Materials for the ARC Group Worldwide, Inc. Annual Meeting of Shareholders to be Held on November 16, 2015 Under Securities and Exchange Commission rules, you are receiving this notice that the proxy materials for the Annual Meeting of Shareholders are available on the Internet. Follow the instructions below to view the materials and vote online or request a copy. The items to be voted on and location of the annual meeting are on the reverse side. Your vote is important! 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 proxy statement and annual report to shareholders are available at: www.investorvote.com/ARCW Easy Online Access — A Convenient Way to View Proxy Materials and Vote When you go online to view materials, you can also vote your shares. Step 1: Go to www.investorvote.com/ARCW. Step 2: Click on the icon on the right to view current meeting materials. Step 3: Return to the investorvote.com window and follow the instructions on the screen to log in. Step 4: Make your selection as instructed on each screen to select delivery preferences and vote. � When you go online, you can also help the environment by consenting to receive electronic delivery of future materials. Obtaining a Copy of the Proxy Materials – If you want to receive a paper or e-mail copy of these documents, you must request one. There is no charge to you for requesting a copy. Please make your request for a copy as instructed on the reverse side on or before November 5, 2015 to facilitate timely delivery. + C O Y 025GNC NNNNNNNNN Shareholder Meeting Notice1234 5678 9012 345 IMPORTANT ANNUAL MEETING INFORMATION

. ARC Group Worldwide, Inc.’s Annual Meeting of Shareholders will be held on November 16, 2015 at the offices of Quadrant Management Inc., 1345 Avenue of the Americas, 27th floor, New York, NY 10105, at 1:00 p.m. (Eastern Standard Time). Proposals to be voted on at the meeting are listed below along with the Board of Directors’ recommendations. The Board of Directors recommends a vote FOR each of the nominees listed under Proposal 1 and vote FOR Proposals 2 and 3. 1. Election of Directors. 01 - Jason T. Young 02 - Gregory D. Wallis 03 - Eddie W. Neely 04 - Todd A. Grimm 05 - Drew M. Kelley 2. To ratify the selection of Grant Thornton LLP to serve as our certified independent accountants for the year ending June 30, 2016. 3. To approve the Company’s proposed 2015 ARC Group Worldwide, Inc. Equity Incentive Plan. PLEASE NOTE – YOU CANNOT VOTE BY RETURNING THIS NOTICE. To vote your shares you must vote online or request a paper copy of the proxy materials to receive a proxy card. If you wish to attend and vote at the meeting, please bring this notice with you. Here’s how to order a copy of the proxy materials and select a future delivery preference: Paper copies: Current and future paper delivery requests can be submitted via the telephone, Internet or email options below. Email copies: Current and future email delivery requests must be submitted via the Internet following the instructions below. If you request an email copy of current materials you will receive an email with a link to the materials. PLEASE NOTE: You must use the number in the shaded bar on the reverse side when requesting a set of proxy materials. g Internet – Go to www.investorvote.com/ARCW. Follow the instructions to log in and order a copy of the current meeting materials and submit your preference for email or paper delivery of future meeting materials. Telephone – Call us free of charge at 1-866-641-4276 and follow the instructions to log in and order a paper copy of the materials by mail for the current meeting. You can also submit a preference to receive a paper copy for future meetings. Email – Send email to investorvote@computershare.com with “Proxy Materials ARC Group Worldwide, Inc.” in the subject line. Include in the message your full name and address, plus the number located in the shaded bar on the reverse, and state in the email that you want a paper copy of current meeting materials. You can also state your preference to receive a paper copy for future meetings. To facilitate timely delivery, all requests for a paper copy of the proxy materials must be received by November 5, 2015. g g 025GNC Shareholder Meeting Notice

MMMMMMMMMMMM . MMMMMMMMMMMMMMM C123456789 ARC GROUP WORLDWIDE, INC. 000004 000000000.000000 ext 000000000.000000 ext 000000000.000000 ext 000000000.000000 ext 000000000.000000 ext 000000000.000000 ext ENDORSEMENT_LINE______________ SACKPACK_____________ Electronic Voting Instructions You can vote by Internet or telephone! Available 24 hours a day, 7 days a week! Instead of mailing your proxy, you may choose one of the two voting methods outlined below to vote your proxy. VALIDATION DETAILS ARE LOCATED BELOW IN THE TITLE BAR. Proxies submitted by the Internet or telephone must be received by 1:00 a.m. Eastern Time, on November 16, 2015. Vote by Internet • Log on to the Internet and go to www.investorvote.com/ARCW • Follow the steps outlined on the secured website. Vote by telephone • Call toll free 1-800-652-VOTE (8683) within the USA, US territories & Canada any time on a touch tone telephone. There is NO CHARGE to you for the call. • Follow the instructions provided by the recorded message. MR A SAMPLE DESIGNATION (IF ANY) ADD 1 ADD 2 ADD 3 ADD 4 ADD 5 ADD 6 Using a black ink pen, mark your votes with an X as shown in this example. Please do not write outside the designated areas. q IF YOU HAVE NOT VOTED VIA THE INTERNET OR TELEPHONE, FOLD ALONG THE PERFORATION, DETACH AND RETURN THE BOTTOM PORTION IN THE ENCLOSED ENVELOPE. q Proposals — The Board of Directors recommends a vote FOR each of the nominees listed under Proposal 1 and vote FOR Proposals 2 and 3. + 1. To elect the following five directors: 01 - Jason T. Young 04 - Todd A. Grimm 02 - Gregory D. Wallis 05 - Drew M. Kelley 03 - Eddie W. Neely Mark here to vote FOR all nominees Mark here to WITHHOLD vote from all nominees For All EXCEPT - To withhold authority to vote for any nominee(s), write the name(s) of such nominee(s) below. For Against Abstain ForAgainst Abstain 2. To ratify the selection of Grant Thornton LLP to serve as our certified independent accountants for the year ending June 30, 2016. 3. To approve the Company’s proposed 2015 ARC Group Worldwide, Inc. Equity Incentive Plan. Non-Voting Items Change of Address — Please print new address below. Authorized Signatures — This section must be completed for your vote to be counted. — Date and Sign Below Please sign exactly as shown on your stock certificate and on the envelope in which this proxy was mailed. When signing as partner, corporate officer, attorney, executor, administrator, trustee, guardian, etc., give full title as such and sign your own name as well. If stock is held jointly, each joint owner must sign. Date (mm/dd/yyyy) — Please print date below. Signature 1 — Please keep signature within the box. Signature 2 — Please keep signature within the box. MMMMMMMC 1234567890 J N T MR A SAMPLE (THIS AREA IS SET UP TO ACCOMMODATE 140 CHARACTERS) MR A SAMPLE AND MR A SAMPLE AND MR A SAMPLE AND MR A SAMPLE AND MR A SAMPLE AND MR A SAMPLE AND MR A SAMPLE AND MR A SAMPLE AND + 1 U P X2 4 7 6 1 1 1 025GLB MMMMMMMMM C B A Annual Meeting Proxy Card1234 5678 9012 345 X IMPORTANT ANNUAL MEETING INFORMATION

. q IF YOU HAVE NOT VOTED VIA THE INTERNET OR TELEPHONE, FOLD ALONG THE PERFORATION, DETACH AND RETURN THE BOTTOM PORTION IN THE ENCLOSED ENVELOPE. q Proxy — ARC GROUP WORLDWIDE, INC. For the Annual Meeting of Shareholders on November 16, 2015 Proxy Solicited on Behalf of the Board of Directors The undersigned hereby appoints Jason T. Young and Drew M. Kelley, and each of them, as proxies with full power of substitution to vote all the shares of the undersigned with all of the powers which the undersigned would possess if personally present at the Annual Meeting of Shareholders of ARC Group Worldwide, Inc. (the “Company”) to be held at 1:00 p.m. (Eastern Standard Time) on November 16, 2015, at the offices of Quadrant Management Inc., 1345 Avenue of the Americas, 27th Floor, New York, NY 10105 or any adjournments thereof, on the matters herein. IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE SHAREHOLDER MEETING TO BE HELD ON November 16, 2015: Our notice of annual meeting and proxy statement and our annual report are available on the Internet at www.edocumentview.com/ARCW. Unless contrary instructions are given, the shares represented by this proxy will be voted FOR each of the nominees listed under Proposal 1 and FOR Proposals 2 and 3. This proxy is solicited on behalf of the Board of Directors of ARC Group Worldwide, Inc. EVEN IF YOU PLAN TO ATTEND THE MEETING, PLEASE COMPLETE, DATE, SIGN AND RETURN THIS PROXY IN THE ACCOMPANYING ENVELOPE. (Continued and to be signed on the reverse side)

MMMMMMMMMMMM . ARC GROUP WORLDWIDE, INC. Using a black ink pen, mark your votes with an X as shown in this example. Please do not write outside the designated areas. q PLEASE FOLD ALONG THE PERFORATION, DETACH AND RETURN THE BOTTOM PORTION IN THE ENCLOSED ENVELOPE. q Proposals — The Board of Directors recommends a vote FOR each of the nominees listed under Proposal 1 and vote FOR Proposals 2 and 3. + 1. To elect the following five directors: 01 - Jason T. Young 04 - Todd A. Grimm 02 - Gregory D. Wallis 05 - Drew M. Kelley 03 - Eddie W. Neely Mark here to vote FOR all nominees Mark here to WITHHOLD vote from all nominees For All EXCEPT - To withhold authority to vote for any nominee(s), write the name(s) of such nominee(s) below. For Against Abstain ForAgainst Abstain 2. To ratify the selection of Grant Thornton LLP to serve as our certified independent accountants for the year ending June 30, 2016. 3. To approve the Company’s proposed 2015 ARC Group Worldwide, Inc. Equity Incentive Plan. Authorized Signatures — This section must be completed for your vote to be counted. — Date and Sign Below Please sign exactly as shown on your stock certificate and on the envelope in which this proxy was mailed. When signing as partner, corporate officer, attorney, executor, administrator, trustee, guardian, etc., give full title as such and sign your own name as well. If stock is held jointly, each joint owner must sign. Date (mm/dd/yyyy) — Please print date below. Signature 1 — Please keep signature within the box. Signature 2 — Please keep signature within the box. + 1 U P X 2 4 7 6 1 1 2 025GMB MMMMMMMMM B A Annual Meeting Proxy Card X IMPORTANT ANNUAL MEETING INFORMATION

. q PLEASE FOLD ALONG THE PERFORATION, DETACH AND RETURN THE BOTTOM PORTION IN THE ENCLOSED ENVELOPE. q Proxy — ARC GROUP WORLDWIDE, INC. For the Annual Meeting of Shareholders on November 16, 2015 Proxy Solicited on Behalf of the Board of Directors The undersigned hereby appoints Jason T. Young and Drew M. Kelley, and each of them, as proxies with full power of substitution to vote all the shares of the undersigned with all of the powers which the undersigned would possess if personally present at the Annual Meeting of Shareholders of ARC Group Worldwide, Inc. (the “Company”) to be held at 1:00 p.m. (Eastern Standard Time) on November 16, 2015, at the offices of Quadrant Management Inc., 1345 Avenue of the Americas, 27th Floor, New York, NY 10105 or any adjournments thereof, on the matters herein. IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE SHAREHOLDER MEETING TO BE HELD ON November 16, 2015: Our notice of annual meeting and proxy statement and our annual report are available on the Internet at www.edocumentview.com/ARCW. Unless contrary instructions are given, the shares represented by this proxy will be voted FOR each of the nominees listed under Proposal 1 and FOR Proposals 2 and 3. This proxy is solicited on behalf of the Board of Directors of ARC Group Worldwide, Inc. EVEN IF YOU PLAN TO ATTEND THE MEETING, PLEASE COMPLETE, DATE, SIGN AND RETURN THIS PROXY IN THE ACCOMPANYING ENVELOPE. (Continued and to be signed on the reverse side)