NioGold Mining Corporation (TSX-V: NOX) is pleased to report on the on-going exploration drilling program within the southern portion of company's wholly-owned Malartic Block property, located in the Malartic gold camp, Abitibi region of Quebec. The first three holes of the program intersected two important altered, veined and sulphide mineralised shear zones cutting sedimentary rocks.

IAMGOLD Corporation (TSX:IMG)(NYSE:IAG) today announced the results of an independently prepared NI 43-101 compliant preliminary economic assessment ("PEA") on the company's wholly-owned Niobec niobium mine in the province of Quebec, Canada. The PEA shows a significant increase in the measured, indicated and inferred mineral resource estimates at Niobec with the potential for a significant production expansion. The PEA examined the impact of changing the existing underground mine to an alternative bulk mining method. IAMGOLD technical personnel then compared the economics of the open pit scenario and a block caving scenario. The work done on the PEA and the study will be advanced in a 2011 pre-feasibility study to confirm the potential upside of Niobec.

[Highlights from] Stillwater Mining Company:

• Net income of $36.2 million or $0.34 per diluted share -- nearly triple first quarter 2010 earnings
• Mined PGM production increased to 131,200 ounces
• Continued strong prices for palladium and platinum

Stillwater Mining Company today reported record net income for the 2011 first quarter of $36.2 million, or $0.34 per diluted share, on revenues of $170.1 million. This compares to first quarter of 2010 net income of $13.4 million, or $0.14 per diluted share, on revenues of $133.5 million.

Lake Shore Gold Corp. (TSX:LSG) today released production results for the first quarter of 2011. Ore processed in the quarter amounted to 148,400 tonnes at a grade of 4.89 grams per tonne ("gpt") at a recovery rate 95.8% for recovered gold of 22,300 ounces. Gold poured related to mill production totaled 25,900 ounces. Total gold sold during the first quarter of 2011 was 34,000 ounces at an average gold price of US$1,387 per ounce. Image by Lake Shore Gold

Alexco Resource Corp. (TSX:AXR)(NYSE Amex:AXU) today reported the first full quarter production results from its newly commissioned Bellekeno mine and mill in the Keno Hill Silver District, Yukon. First Quarter Highlights: * Silver Production of 447,524 ounces * Lead Production of 3,682,304 pounds * Zinc Production of 1,334,144 pounds

Kirkland Lake Gold Inc. (TSX:KGI)(AIM:KGI), an operating and exploration gold company, is pleased to announce a record drill hole intersection from one of the underground exploration programs on the company's 100% owned Macassa property. This particular drill hole, which was targeting the east `08 Break Zone from the 5300 foot level of the Macassa Mine, intersected the New South Zone within a previously defined resource area of the South Mine Complex (SMC). Image by Kirkland Lake Gold Inc.

Detour Gold Corporation (TSX:DGC) (“Detour Gold” or the “Company”) is pleased to announce the closing of the previously announced agreement with Caterpillar […]

Centerra Gold Inc. (TSX:CG) today reported net earnings of $136.6 million or $0.58 per share on revenues of $250.2 million compared to earnings of $123.9 million or $0.53 per common share based on revenues of $255.5 million in the same quarter last year. Image by Centerra Gold

Greystar Resources Ltd. (TSX:GSL)(AIM:GSL) is pleased to announce receipt of a positive scoping stage Preliminary Assessment under National Instrument 43-101 ("Scoping Study") for an underground only operation at its 100%-owned Angostura gold-silver project in northeastern Colombia. Image by Greystar Resources Ltd.

Paladin Energy Ltd. (TSX:PDN)(ASX:PDN) ("Paladin" or the "Company") advises that Wyatt Buck, Executive General Manager – Production will be leaving Paladin in May. He has decided to change direction and depart the uranium sector, taking a senior role with a company focussed on other commodities. We wish Wyatt all the best in his new venture and, on behalf of myself, management and the Board, sincerely thank him for his contribution and dedication over the past 5 years during a time of great growth for the Company.

Hydro had underlying earnings before financial items and tax (EBIT) of NOK 1,448 million in the first quarter, up from NOK 588 million in the fourth quarter. Higher realized aluminium prices and premiums, higher volumes and lower operating costs lifted underlying results for the quarter.

True North Gems Inc. (the "Company") (TSX VENTURE:TGX) announces that it has completed the second tranche of its previously announced and oversubscribed non-brokered private placement. The second closing is for proceeds of $615,000. The Company issued 6,150,000 units at a price of $0.10 per unit. Each unit is comprised of one common share and one half non-transferable common share purchase warrant, each warrant exercisable for one additional common share for a period of two years at a price of $0.15 per share for year one, and $0.20 per share for year two. Two finders received finders' fees of in the aggregate $21,500 in cash and 215,000 finders' warrants in connection with the closing of this second tranche, each finders' warrant exercisable for one common share for a period of two years at a price of $0.12 per share.