Range Resources Limited provide the following updates with regards to its two Texas interests at East Cotton Valley and North Chapman Ranch.

East Texas Cotton Valley Prospect

The Company would like to announce that it has commenced drilling operations at its East Texas Cotton Valley prospect, with the arrival of the Key #66 rig to site during the week.

The Ross 3H well will be the Company's first horizontal well and first in the shallow oil prospect, which covers approximately 1,570 acres and encompasses a recent oil discovery.

The well has a projected total depth of 8,200ft (2,500m), including a 2,500ft (762m) horizontal section through the Cotton Valley oil reservoir. If successful, the Ross 3H well would provide an immediate increase to the Company's oil reserves, production and cash flow, with the impact to reserves to be reported at a later date.

On 29 June 2010, the Company announced the results of leading Petroleum Consultants, Lonquist & Co LLC's independent reserves report which has estimated the following gross commercially recoverable oil reserves from the East Texas Cotton Valley Prospect (operated by Range's private US partner):

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