DESERT VIEW POWERLost Time Tracking

Accumulative 12-months TG-O/H TG-O/H TG-O/H COD = 2.2.1992SUMMARY: Fiscal Yr 2011-12 Full Yr 2010-11 2009-10 2008-09 2007-08 2006-07 2005-06 2004-05 2003-04 2002-03 2001-02 2000-01 1999-00 1998-99 1997-98 1996-97 1995-96 1994-95 1993-94 1992-93

LOST % LOST % LOST % LOST % LOST % LOST % LOST % LOST % LOST % LOST % LOST % LOST % LOST % LOST % LOST % LOST % LOST % LOST % LOST % LOST % LOST %Mwh CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP. NMW'S CAP.

OUTAGES: 886,704 11.22% 16,906 4.27% 43,824 11.12% 43,268 10.98% 42,603 10.81% 43,318 10.96% 44,631 11.32% 35,312 8.96% 57,137 14.49% 44,471 11.25% 19,106 4.85% 64,889 16.46% 27,270 13.72% 43,097 9.28% 38,675 9.81% 49,900 12.66% 26,582 6.74% 60,935 15.42% 58,104 14.71% 60,948 15.43% 65,728 16.64%A/H LOSSES: 198,487 2.51% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 452 0.11% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 0 0.00% 561 0.14% 12,694 3.21% 12,442 3.15% 10,862 2.75% 6,478 1.64%TUBE FAILURES: 168,703 2.14% 26,691 6.75% 5,102 1.29% 10,861 2.78% 6,546 1.66% 11,402 2.88% 2,895 0.73% 1,480 0.38% 0 0.00% 0 0.00% 3,132 0.79% 3,527 0.89% 696 0.35% 5,019 1.27% 5,810 1.47% 9,046 2.29% 18,223 4.62% 15,891 4.02% 17,972 4.55% 13,548 3.43% 10,862 2.75%I.I.D. DELAYS/TRIPS: 14,440 0.18% 1,676 0.42% 692 0.18% 0 0.00% 1,099 0.28% 787 0.20% 582 0.15% 1,060 0.27% 1,486 0.38% 3,800 0.96% 1,859 0.47% 913 0.23% 0 0.00% 200 0.05% 0 0.00% 0 0.00% 0 0.00% 10 0.00% 197 0.05% 0 0.00% 79 0.02%EQUIP. FAILURES: 36,236 0.46% 9,134 2.31% 365 0.09% 1,667 0.42% 368 0.09% 8 0.00% 74 0.02% 993 0.25% 1,268 0.32% 88 0.02% 1,854 0.47% 1,419 0.36% 14 0.01% 1,276 0.32% 860 0.22% 306 0.08% 4,570 1.16% 3,915 0.99% 3,357 0.85% 2,962 0.75% 1,738 0.44%OPERATIONS LOSSES: 5,954 0.08% 0 0.00% 50 0.01% 404 0.10% 31 0.01% 4 0.00% 0 0.00% 10 0.00% 5 0.00% 1,880 0.48% 0 0.00% 34 0.01% 0 0.00% 354 0.09% 34 0.01% 50 0.01% 34 0.01% 220 0.06% 514 0.13% 869 0.22% 1,461 0.37%WOOD FEED LOSSES: 3,227 0.04% 166 0.04% 806 0.20% 46 0.01% 173 0.04% 0 0.00% 18 0.00% 0 0.00% 95 0.02% 26 0.01% 0 0.00% 34 0.01% 0 0.00% 0 0.00% 76 0.02% 0 0.00% 78 0.02% 367 0.09% 395 0.10% 513 0.13% 434 0.11%MISC. LOSSES: 14,036 0.18% 239 0.06% 0 0.00% 753 0.19% 243 0.06% 26 0.01% 1,024 0.26% 0 0.00% 68 0.02% 44 0.01% 800 0.20% 876 0.22% 694 0.35% 1,208 0.31% 141 0.04% 1,023 0.26% 2,609 0.66% 22 0.01% 909 0.23% 1,343 0.34% 2,014 0.51%

LOST TIME TOTALS 1,067,138 13.51% 54,812 13.86% 50,839 12.90% 56,999 14.48% 51,063 12.95% 55,545 14.05% 49,224 12.48% 38,855 9.86% 60,059 15.23% 50,761 12.84% 26,751 6.78% 71,692 18.18% 28,674 14.43% 51,154 11.32% 45,596 11.57% 60,325 15.30% 52,657 13.35% 94,054 23.80% 93,890 23.77% 91,045 23.05% 88,794 22.48%

MWH GENERATION 6,833,967 88.82% 340,792 86.22% 360,780 91.52% 354,844 90.02% 360,668 91.49% 357,307 90.39% 362,451 91.95% 372,888 94.59% 351,855 89.26% 362,096 91.60% 380,680 96.57% 337,082 85.51% 179,052 90.10% 361,900 91.56% 365,704 92.77% 347,332 88.11% 363,762 92.28% 319,576 80.85% 317,069 80.23% 319,914 80.95% 318,215 80.52%(Based on 45 NMWH's) GrD arrival Oct 95

*NOTES* The Colmac/Desert View Power fiscal year runs from May 1st through to April 30th.The Colmac plant was handed over to its new owners Greenleaf Power on January 1st, 2011.Lost time NMW's are calculated against plant performance that was expected (planned) during the outage hrs.Percent capacity is calculated against plant contract capacity (45 NMW's)

Turbine Major O'hauls EOH's45,126.1 First turbine major overhaul - May 1997110,721.8 Second turbine major overhaul _LP & Generator - April 2005119,372.0 Second turbine major overhaul _HP & Gearbox - May 2006

Company ownership Colmac UCOS O&M contract 2.2.1992 to 4.30.1995Colmac 5.1.1995 to 1.1.2011Greenleaf 1.1.2011 to present time

5.18.12

0.00%1.00%2.00%3.00%4.00%5.00%6.00%7.00% 6.75%

1.29% 2.78%

1.66% 2.88%

0.73% 0.38%

0.00% 0.00% 0.79% 0.89%

0.35% 1.27% 1.47%

2.29%

4.62% 4.02% 4.55%

3.43% 2.75%

Tube Failure Loss % (Mwh)

0.00%

0.50%

1.00%

1.50%

2.00%

2.50% 2.31%

0.09% 0.42%

0.09% 0.00% 0.02% 0.25% 0.32%

0.02% 0.47%

0.36%

0.01% 0.32%

0.22% 0.08%

1.16% 0.99%

0.85% 0.75%

0.44%

Equipment Failure Loss % (Mwh)

Change of Ownership Change of Ownership