Exhibit 99.1
 
  nd
  SUBJECT:
    
    Evaluation of Certain Atlas Partnerships To the
Interests of the Partnerships Pursuant to the
Requirements of the Securities and Exchange Commission
Effective December 31, 2009 Job 09.1142-A
   Summaries Evaluation of Various Partnerships, To the Interests of the Partnerships, Effective December 31,
2009, Job 09.1142, Exhibit A Exhibit B
 Evaluation of Oil and Gas Reserves, To the Interests of Atlas Energy Resources, LLC, In
Certain Properties Located in Various States, Pursuant to the Requirements of the Securities and
Exchange Commission, Effective December 31, 2009, Job 09.1133,
  




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Standards Pertaining to the Estimating and Auditing of Oil and Gas
Reserves Information
  Very truly yours, 
Wright & Company, Inc.By:
    /s/ D. Randall Wright, P.E.D. Randall Wright, P.E.President




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Professional Qualifications
D. Randall Wright
President
  Standards Pertaining to the Estimating
and Auditing of Oil and Gas Reserves Information
  /s/ D. Randall Wright, P.E.D. Randall Wright, P.E.




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EXHIBIT A
    Partner
    
    
    
    Total Proved Net Reserves
    
    Cash Flow
    
    10.00 PCT Cum. Disc.ID No.
    
    Partnership
    
    Oil, Mbbl
    
    Gas, Mmcf
    
    NGL, Mbbl
    
    (BTAX), M$
    
    (BTAX), M$100938
    
    
    ATLAS RESOURCES PUBLIC #18-2009 (C) LP
    
    
    0.000
    
    
    
    24,758.040
    
    
    
    0.000
    
    
    
    21,982.942
    
    
    
    -1,916.860100939
    
    
    ATLAS RESOURCES PUBLIC #18-2009 (B) LP
    
    
    28.649
    
    
    
    43,736.987
    
    
    
    87.428
    
    
    
    114,025.466
    
    
    
    50,718.767100940
    
    
    ATLAS RESOURCES PUBLIC #18-2009 (A) LP
    
    
    63.203
    
    
    
    26,342.120
    
    
    
    99.053
    
    
    
    52,891.928
    
    
    
    28,150.350100941
    
    
    ATLAS RESOURCES PUBLIC #17-2008 (B) LP
    
    
    85.673
    
    
    
    32,799.046
    
    
    
    10.506
    
    
    
    69,620.749
    
    
    
    36,945.785100942
    
    
    ATLAS RESOURCES PUBLIC #17-2007 (A) LP
    
    
    31.530
    
    
    
    19,615.872
    
    
    
    0.000
    
    
    
    39,892.079
    
    
    
    21,831.777100943
    
    
    ATLAS AMERICA SERIES 27-2006 LP
    
    
    13.577
    
    
    
    5,894.948
    
    
    
    0.000
    
    
    
    11,438.032
    
    
    
    6,980.382100944
    
    
    ATLAS RESOURCES PUBLIC #16-2007 (A) LP
    
    
    83.324
    
    
    
    19,051.724
    
    
    
    0.000
    
    
    
    40,233.852
    
    
    
    24,037.556100945
    
    
    ATLAS AMERICA PUBLIC #15-2006 (B) LP
    
    
    20.456
    
    
    
    12,872.608
    
    
    
    0.000
    
    
    
    24,934.827
    
    
    
    15,284.717100946
    
    
    ATLAS AMERICA PUBLIC #15-2005 (A) LP
    
    
    9.599
    
    
    
    2,902.718
    
    
    
    0.000
    
    
    
    5,255.792
    
    
    
    3,604.230100947
    
    
    ATLAS AMERICA SERIES 26-2005 LP
    
    
    12.192
    
    
    
    2,721.390
    
    
    
    0.000
    
    
    
    5,673.097
    
    
    
    3,504.871100948
    
    
    ATLAS AMERICA PUBLIC #14-2005 (A) LP
    
    
    10.608
    
    
    
    5,172.808
    
    
    
    0.000
    
    
    
    9,884.526
    
    
    
    6,140.544100949
    
    
    ATLAS AMERICA PUBLIC #14-2004 LP
    
    
    14.501
    
    
    
    3,791.537
    
    
    
    0.000
    
    
    
    6,632.597
    
    
    
    4,339.318100959
    
    
    ATLAS AMERICA SERIES 25-2004A LP
    
    
    4.737
    
    
    
    2,531.755
    
    
    
    0.000
    
    
    
    4,668.464
    
    
    
    3,019.018100976
    
    
    ATLAS AMERICA PUBLIC #11-2002 LP
    
    
    7.650
    
    
    
    2,388.015
    
    
    
    0.000
    
    
    
    3,731.220
    
    
    
    2,485.709100992
    
    
    ATLAS AMERICA PUBLIC #12-2003 LP
    
    
    0.803
    
    
    
    3,137.424
    
    
    
    0.000
    
    
    
    5,354.436
    
    
    
    3,320.164100993
    
    
    ATLAS AMERICA SERIES 25-2004B LP
    
    
    7.163
    
    
    
    2,624.989
    
    
    
    0.000
    
    
    
    5,331.664
    
    
    
    3,226.185100996
    
    
    ATLAS AMERICA PUBLIC #9 LTD
    
    
    11.941
    
    
    
    1,515.216
    
    
    
    0.000
    
    
    
    2,524.932
    
    
    
    1,697.337100998
    
    
    ATLAS AMERICA PUBLIC #10 LTD
    
    
    9.460
    
    
    
    2,454.619
    
    
    
    0.000
    
    
    
    4,302.005
    
    
    
    2,703.375




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EXHIBIT B
    Partner
    
    
    
    Total Proved Net Reserves
    
    Cash Flow
    
    10.00 PCT Cum. Disc.ID No.
    
    Partnership
    
    Oil, Mbbl
    
    Gas, Mmcf
    
    NGL, Mbbl
    
    (BTAX), M$
    
    (BTAX), M$100938
    
    
    ATLAS RESOURCES PUBLIC #18-2009 (C) LP
    
    
    0.000
    
    
    
    10,617.382
    
    
    
    0.000
    
    
    
    19,388.190
    
    
    
    9,606.622100939
    
    
    ATLAS RESOURCES PUBLIC #18-2009 (B) LP
    
    
    0.000
    
    
    
    3,619.545
    
    
    
    0.000
    
    
    
    7,929.636
    
    
    
    3,850.018100940
    
    
    ATLAS RESOURCES PUBLIC #18-2009 (A) LP
    
    
    0.000
    
    
    
    7,319.203
    
    
    
    0.000
    
    
    
    13,615.995
    
    
    
    6,763.142