Houston Lake Mining Inc.       (HLM-TSX.V)

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For Immediate Release

Houston Lake Sends Drill Core Samples for Assay From West Cedartree Gold Project.

March 21, 2007: Sudbury, Ontario, Canada - Houston Lake Mining Inc. (TSX.V: HLM, the "Company") is pleased to provide an update on exploration of the Company’s 100% owned and optioned 1310 hectare (3236 acre) West Cedartree Gold Project located near Sioux Narrows, Ontario. Fifty core samples from the first 5 drill holes were shipped for fire assay at TSL Laboratories of Saskatoon, Saskatchewan. Visible Gold has been reported in the core. Results are expected back in two to three weeks time and will be announced as soon as received.

A 2500m (8200ft) delineation drilling program commenced in February and targets the historic gold resource on the Dogpaw No. 1 Vein. Fourteen drill holes of the planned program have been completed thus far. The deepest hole of the program successfully intersected the highly altered rocks of the vein system at a depth of approximately 200m (656ft). A second geologist has recently been hired to assist with this program.

An additional 10.1 km (6.1 miles) of line-cutting and magnetic surveys have been completed over the Dogpaw West and North Block properties. JVX Ltd. of Richmond Hill, Ontario was contracted to conduct 40 line-km (24 line-miles) of IP surveys, which have proven to be successful in the past in outlining the trends of the Angel Hill and McLennan Gold Zones. This geophysical program began last week and will cover the entire Dogpaw Lake Option to identify the possible northern extension of the two gold zones as well as the historic Dogpaw Lake vein systems.  The IP survey will be extended to include the new grid established on the Dogpaw West and North Block properties.

The mining permit application for the Angel Hill Gold Zone has been updated with a revised closure plan and the application will be reviewed by Wardrop Engineering Inc. prior to submission. The permit will enable Houston Lake to take advantage of any profitable third party milling opportunities and complete a recommended 10,000 tonne bulk sample.

Independent Consulting Geologist Dean R. Cutting, P. Geo., is the Qualified Person for the project under the guidelines of NI 43-101 and has reviewed this press release in its entirety.

E. Grayme Anthony President and CEO of Houston Lake commented: “We are truly excited about Houston Lake’s prospects for 2007. We are well funded to sustain exploration activity on our West Cedartree Gold Project. Our land acquistion strategy has been executed and we are now poised to complete the earn in of the Dogpaw Lake, Dogpaw West and Gold Sun property options. We look forward to receiving drill results from the Dogpaw No. 1 vein where a previous drill program intersected 36.44 g/mt Au over a core length of 8m (1.063 oz/st over 26.2ft). Magma Metals will shortly be aggressively drilling our promising Tib Lake Platinum, Palladium Project located near Thunder Bay.”

About Houston Lake Mining Inc.

Houston Lake’s objective in the short term is to become a gold producer by surface mining our West Cedartree gold project and apply the profits towards the development of our 100% owned and optioned northwestern Ontario properties. The Company has a total of 24,144,156 common shares issued and outstanding. For additional information, we invite you to visit us at www.houstonlakemining.com.