CUSIP No. 00213H105 13D

Exhibit 99.1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing of a Statement on Schedule 13D (including any and all amendments thereto) with respect to the shares of Common Stock, $0.0005 par value, of ARC Group Worldwide, Inc., and further agree that this Joint Filing Agreement be included as an Exhibit thereto.  In addition, each party to this Agreement expressly authorizes each other party to this Agreement to file on its behalf any and all amendments to such Statement.

Dated:  June 7, 2019

Everest Hill Group Inc. /

Q Management Services (PTC) Ltd.

By: Vicali Services (BVI) Inc.

Its Director

By: /s/ Susan V. Demers

Name: Susan V. Demers

Title: Director

By: /s/ Andrea J. Douglas

Name: Andrea J. Douglas

Title: Director

/s/ Wayne Quasha

Name: Wayne Quasha