JULY 5TH, 2012

Wesco Aircraft Holdings Closes Acquisition of Interfast Inc.

VALENCIA, Calif.—(BUSINESS WIRE)—Wesco Aircraft Holdings, Inc. (NYSE: WAIR), a leading provider of comprehensive supply chain management services to the global aerospace industry, announced today that it completed the acquisition of substantially all of the assets of Interfast Inc. (“Interfast”) on July 3, 2012 pursuant to the definitive agreement announced on May 24, 2012. The CDN$134 million acquisition was funded via a combination of cash and borrowings under Wesco Aircraft’s existing revolving credit facility.

Interfast is a Toronto-based value-added distributor of specialty fasteners, fastening systems and production installation tooling for the aerospace, electronics and general industrial markets. Interfast has a global presence working with both OEM (original equipment manufacturers) and MRO (maintenance, repair and overhaul) businesses to deliver proactive and innovative fastener-based solutions for a broad base of applications.

Randy Snyder, Wesco’s Chairman, President and Chief Executive Officer said, “We are pleased to welcome Interfast and its outstanding employees into the Wesco family. We believe this transaction will accelerate our global growth, strengthen our relationships with several strategic aerospace customers, and support our initiative to implement a new MRO platform.”

The Company expects to provide guidance on the financial impact of the acquisition in conjunction with its upcoming fiscal third quarter 2012 earnings release.