TAU) is pl e Park is a commoditie and agricul t analyze pu commoditie commoditie M&A inves University (2 In connecti o Company’s over a perio The Comp a resignations business co On behalf o would like t years. Both it is today –

Suite 1723 - 595 Burr rard Street PO Box x 49073 Vancou uver, BC, Cana ada, V7X 1G4 Tel: (604) 628-1162 Fax: (604) 6 628-1163 Web: w www.tintinareso ources.com Email: info@tintinares sources.com

FOR IMMED DIATE RELEASE May 3 31, 2011

New ws Releas se

Tintina Res sources A Announc ces Chang ges to Bo oard of D Directors

y 31, 2011– Vancouver r, BC – May – Tintina Re esources Inc. ("Tintina a" or the "C Company") ( (TSX-V: as a director of Tintina. Henry TAU) is ple eased to ann nounce that it has appo ointed Mr. H Henry Park a Park is a Managing Director of Electrum Frontier. M Most recently y, Henry P Park was th he lone commodities analyst at t Soros Fun nd Managem ment responsible for all investments s in metals, , mining and agricult ture. His re esponsibilitie es were to c conduct rese earch on ma acro commo odity trends, , and to analyze public and pri ivate metals s, mining an nd agricultu ure compani ies. He sta arted his ca areer in commodities within th r to going on the he Wingspan platform of Ospraie e Managem ment. Prior commodities path, he w was with GE Capital in th he distressed debt busin ness and Mo organ Stanle ey as an M&A investment bank rk holds a Masters in Business Administrati ion from Columbia ker. Mr. Par University (2 m University of Chicago ( 2006) and a B.A. in Eco onomics from (1998).

In connectio on with this s appointme ent, the Com mpany has granted 100 0,000 stock k options un nder the roval. The options, which vest Company’s Stock Optio on Plan to M Mr. Park, su ubject to regulatory appr over a perio od of two yea ars, will be e exercisable f for a period o of five years s.

k and Mr. Larry Buchan The Compa any also an nnounces that Ms. Terr ry Penstock nan have te endered e more time to other resignations s as director rs of the Com mpany, effec ctive immedi iately, in ord der to devote business co ommitments, , respectively.

of the Board for Director On behalf o rs, Rick Van n Nieuwenhu uyse, Tintina a’s Chairman n, commente ed: “We would like t to thank bot th Terry and d Larry for their valuab ble contribut tions to Tint tina in its fo ormative usy people, and we appreciate their years. Both h are very bu r time and ef ffort to help g get Tintina to

• where

it is today –

• a well-finan nced explora ation company developin ng a high-qu uality copper-cobalt-silve er asset

at Sheep Cr reek, Montana. We than nk you and w wish you we ell in your fut ture endeavo ors. Meanw while, we welcome Henry Park to

• the Board d of Director rs. His exp perience as a metals an nalyst and h his Wall

Street conta he value chain and acts will be well-utilized d as we mo ove this exc citing projec ct through th towards pro oduction. With copper over $4 dollars per pound d, good quality copper a assets are at ttracting a premium valuation, a and with Sh heep Creek’s ideal loca ation and nearby infras structure, Ti intina is advancing this project to

• a productio on decision as quickly a as possible”.

ON BEHAL BOARD OF DIRECTOR LF OF THE B RS

"LOUIS LEPRY"

__________ __________ ___________ _____

Louis A. Le epry, Jr.

President & & 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.

Cautionary Notice: This release may contain forward-looking statements regarding the possible completion of a change of the Company’s name. Actual results could differ materially from those described in this news release as a result of various factors, including, but not limited to the timing of and ability to obtain regulatory approvals. The Company cautions that these and similar statements involve risk and uncertainties and are qualified by important factors, including the risk that the Company will not obtain required approvals, which could cause actual results to differ materially from those in the forward looking statements. Forward–looking statements are made in the context of information available as of the date stated. The Company undertakes no obligations to update or revise such statements to reflect new circumstances or unanticipated events as they occur, unless required by applicable law.