This Certification Letter pertains to Technical Systems Testing (TST)\'s Game Payout Calculations for the production game play log files gathered from the Las Vegas USA Casino Internet Gaming System.

Game Type	Calculated Payout Percentage
Card Games	95.01%
Poker Games	96.58%
Slot Machine Games	95.66%
Table Games	98.22%
Video Poker Games	94.37%
Overall (All Games)	96.89%

TST\'s Game Payout Calculations resulted in summary payout percentages for the listed game categories:

These values do not reflect the payout percentage of any individual game. Instead, they represent the payout percentage over all games within the category.

Theses values based on historical records, and do not necessarily represent expected future payouts.

The Calculated Payout Percentage is computed by summing all monies won (for all games within the category) and dividing by the total money bet on the same games.