Vancouver, B.C., March 7, 2013 - TRIJET MINING CORP. (TSX-V: TJT) (the "Company" or "Trijet") announces that effective as of the opening Friday, March 8, 2013, the consolidated common shares of the Company will commence trading on the TSX Venture Exchange (the "Exchange"), on the basis of one (1) post-consolidated common share for every two (2) pre-consolidated common shares held (the "Consolidation"), under new Company name "UMBRAL ENERGY CORP." ("Name Change").

The Consolidation and Name Change were approved by the shareholders at the Company's Annual General and Special Meeting held on February 22, 2013 (see the Company's news release dated February 22, 2013) and by the Exchange. At current date, the Company has 23,573,941 common shares issued and outstanding and the Company will have approximately 11,786,971 common shares issued and outstanding post-consolidation.

The Company's new trading symbol will change from TJT to UMB. The Company's new CUSIP number is 90420Y108 and its new ISIN number is CA 90420Y1088.

A Letter of Transmittal with respect to the Consolidation and Name Change will be mailed to the shareholders of the Company.

All shareholders will be required to send their respective certificates representing the pre-consolidation common shares along with a properly completed Letter of Transmittal to the Company's transfer agent, Computershare Investor Services Inc. ("Computershare"), in Toronto, Ontario, all in accordance with the instructions provided in the Letter of Transmittal. Additional copies of the Letter of Transmittal can be obtained through Computershare at 1-800-564-6253 or by e-mail to corporateactions@computershare.com). All shareholders who submit a duly completed Letter of Transmittal along with their respective pre-consolidation common share certificate(s) to Computershare, will receive a post -consolidated common share certificate under new company name Umbral Energy Corp. No certificates representing fractional common shares will be issued after conversion. Any fractional share comprising: (i) less than one-half of one share will be cancelled, and (ii) greater than or equal to one-half of one share will be converted into one whole post-consolidated common share, pursuant to the provisions of the Business Corporations Act (British Columbia).

ON BEHALF OF THE BOARD OF DIRECTORS OF TRIJET MINING CORP.

"Jag Bal"

Jagdip Bal
President and CEO

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.