Lake Shore Gold Announces Large Increase in Resources at Gold River Trend, Total Ounces Nearly Triple, Grade Doubles

Lake Shore Gold Corp.

-- New resource totals 117,400 ounces gold ("Au") grading 5.29 grams per tonne ("gpt") in Indicated category and 1,027,800 ounces Au grading 6.06 gpt in Inferred category -- New high-grade core at East Deposit between 400 and 800 metre levels, contains 310,900 ounces at average grade of 9.81 gpt, area remains open at depth and along strike -- Company's total resource base on west side of Timmins increased to 1,239,900 ounces grading 5.92 gpt in Indicated category and 1,819,300 ounces grading 5.93 gpt in Inferred category -- Potential for additional resources from extensions and new discoveries considered excellent, definition and expansion drilling in progress. Lake Shore Gold Corp. today announced an updated National Instrument ("NI") 43-101 resource estimate for the Company's Gold River Trend deposits on the west side of Timmins. Resources at the Gold River Trend are contained within two deposits, the East Deposit and West Deposit, both of which are located approximately 4.0 kilometres south of the producing Timmins West Mine shaft. The deposits are contained within a 3.0 km strike length and run along the Gold River Trend, a major alteration and deformation zone lying north of the Destor Porcupine Fault Zone (DPFZ). In combination, the updated resources for both deposits include 117,400 ounces Au (690,000 tonnes grading 5.29 gpt) in the Indicated category and 1,027,800 ounces Au (5,273,000 tonnes at an average grade of 6.06 gpt) in the Inferred category. With this new resource update for Gold River Trend, the Company's total resource base on the west side of Timmins stands at 1,240,000 ounces Au (6,515,000 tonnes grading 5.92 gpt) in the Indicated category and 1,819,300 ounces Au (9,545,000 tonnes grading 5.93 gpt) in the Inferred category. A summary of resources at Gold River Trend is shown in Table 1 below. Table 2 summarizes the total resource base at the Company's Timmins West Complex.