Alpek announces Tender Offer results

Alpek announces the final results of the offer made by its subsidiary Petrotemex to purchase its outstanding 9.5% Senior Notes Due 2014

San Pedro Garza Garcia, Nuevo Leon, Mexico, August 13, 2012 – Alpek, S.A.B. de C.V. (“Alpek“) announces that its subsidiary Grupo Petrotemex, S.A. de C.V. (“Petrotemex”) purchased US$154,173,000 in aggregate principal amount of its outstanding 9.5% Senior Notes due 2014 (the “Bonds”), approximately 56.06% of the US$275,000,000 outstanding prior to the offer. In addition, as previously announced, Petrotemex had obtained the majority of consents from holders required to amend certain conditions under the indenture governing the Bonds.

Notes which did not adhere to the offer will remain outstanding. This announcement does not constitute an offer to purchase the Bonds.