March 19th, 2013

Vancouver, BC — March 19, 2013 — Tintina Resources Inc. (“Tintina” or the “Company”) (TSX- V: “TAU”; OTCQX: “TINTF”)

is pleased to announce a new resource estimate for its Lowry Deposit, a part of the Black Butte Copper Project, Montana, USA (see Table 1). With the addition of the Lowry resources to those previously announced for the Johnny Lee Deposit, the Black Butte Copper Project (Fig. 2) now contains in excess of one billion pounds of copper in the Measured and Indicated resource categories. In addition, the Company is also progressing toward completion of an updated Preliminary Economic Assessment (“Updated PEA”) which includes the new Johnny Lee Deposit Measured, Indicated, and Inferred resource estimates (see news release dated November 13, 2012). The planned Updated PEA will supersede the current SEDAR filed Preliminary Economic Assessment* (“PEA”) dated August 30, 2012 (see news release dated September 4, 2012), which was based only on the Indicated and Inferred resource estimates for the Johnny Lee Deposit. The Company plans to include the new Lowry Deposit resource estimate announced in this news release in the Updated PEA, and expects the results of the Updated PEA by end of Q2 of 2013.

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Categories: 2013