Release of Security Interest

Recorded: 2007-04-18 Received: 2007-04-18 Pages: 16

Assignors

Executed: 2007-04-12

CREDIT SUISSE, TORONTO BRANCH

Executed: 2007-04-12

Assignees

2640 WEST 1700 SOUTH, SALT LAKE CITY, UT, 84104, UNITED STATES

LONGYEAR TM, INC.

2640 WEST 1700 SOUTH, SALT LAKE CITY, UT, 84104, UNITED STATES

Covered Properties (7)

Play Four Poker with Bad Beat Feature

Application: 11/404,239 →

Play Four Poker

Application: 10/748,602 →

Continuous Feed Drilling System

Application: 10/043,081 →

Drill String Chuck

Application: 10/066,237 →

Support system for setting price of transaction target article

Application: 09/872,633 →

Up-Hole Overshot and Safety Drilling Apparatus

Application: 09/845,060 →

Up-Hole Pump-in Core Barrel Apparatus

Application: 09/779,258 →