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<font color = blue<font size = 4.5<b>Tri-State Generation & Transmission's OASIS </font</a>
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<font color = PURPLE<font size 3<font bold>On the WesTTrans Common OASIS </font</a>
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<font color = red<font size = 3>Updated Business Practices Effective 11/1/2006 </font</a</font</a>
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<marquee direction="left" scrollamount="4" behaviour="alternate" loop="0" <FONT COLOR = GREEN<b>** ALL PATHS ** </marquee<BR<marquee direction="RIGHT" scrollamount="4" behaviour="alternate" loop="0" <FONT COLOR = ORANGE<b>** ALL PATHS ** </marquee>
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<marquee direction="up" behavior="alternate"<div align="center"<FONT COLOR = GREEN<b> **ALL PATHS**</marquee>
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<img src=" border="0"<br<H3>Happy St Patricks Day!</H3<br<font size="1"</font</a</Right>
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<img src=" border="0"<br<H3>Happy St Patricks Day!</H3<br<font size="1"</font</a</Left<br>
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<ALIGN = Center<b>DISCOUNTED RATES CONTINUED<BR> THRU <BR> 03-31-2007!!!!!</span</p</font</a>
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TSGT TRANSMISSION WILL CONTINUE TO DISCOUNT IT’S LOSSES TO ZERO <BR>THRU<BR>03-31-2007!!!!!</span</p</b</font</a>
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<ALIGN = Center>ALL TRANSACTIONS IN THE WACM CONTROL AREA WILL BE ASSESSED WACM'S 5% CONTROL AREA LOSS CHARGE<BR> 01-01-2007 THRU 03-31-2007!!!!!</span</p>
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<font color = BLUE<font size 5<b>* Hourly Non-Firm starting HE 8 to HE 23 discounted from $10.22 to <font color = red> $2.65/MWH a 74% DISCOUNT </font</a>
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<font color = BLUE<font size 5<b>* Hourly Non-Firm starting HE 1 to HE 7 & HE 24, All Sundays & Holidays discounted from $10.22 to <font color = red> $1.77 / MWH a 82% DISCOUNT </font</a>
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<font color = BLUE<font size 5<b>* Daily Non-Firm discounted from $163.50 to <font color = red> $42.40 / MWD a 74% DISCOUNT </font<br>
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</B<font color="#FFFF00"<marquee direction="left" style="background:RED">NEW PATH COMBINATIONS FOR YOUR CONVENIENCE!!!</marquee</font>
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<font color = blue<font size = 3>TSGT is A Premier Consumer-Owned Transmission Provider to the West </font</a>
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<font color = black<font size = 3>If you have any Questions and/or Problems please Contact: </font</a>
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<font color = black<font size = 3>OASIS Administration: </font</a>
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<font color = BLUE<font size = 3>Larry Stark @ 303-254-3772 </font</a>
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<font color = BLUE<font size = 3>Doug Reese @ 303-254-3676 </font</a>
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<font color = black<font size = 3>Real-Time TSR and TAG Approval: </font</a>
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<font color = BLUE<font size = 3>@ 303-254-3031 </font</a>
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Notice to TSGT Transmission Customers
Tri-State G&T has revised its OATT to include the Large Generation Interconnection Procedures (LGIP)
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