SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING Commission File No. 000-29621 Form 10-KSB for Period Ended: December 31, 2001 PART - I - Registrant Information SUN RIVER MINING, INC. ------------------------------------ (Exact name of registrant as specified in its charter) CIK No. 0001039466 P.O. Box 723, Evergreen, CO 80437 ---------------------------------------------------- (Address of principal executive offices) (Zip Code) PART II - Rules 12-b25 (b) and (c) If the subject report could not be filed without unreasonable effort or expense, and the registrant seeks relief pursuant to Rule 12b-25(b), the following should be completed. (Check box if appropriate) (a) The reasons described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense; (b) The subject annual report, semi-annual report, transition report on form 10-K, Form 20-F, 11-K, or Form N-SAR, or portion thereof will be filed on or before the fifteenth calendar day following the prescribed due date, or the subject quarterly report or transition report on Form 10-Q, or portion thereof will be filed on or before the fifth calendar day following the prescribed due date; (c) The accountant's statement or other exhibit required by Rule 12b-25(c) has been attached if applicable. Part III - Narrative State below, in reasonable detail, the reasons why Form 10-K and form 10-KSB, 20-F, 1-K, 10-Q, and Form N-SAR, or the transition report or portion thereof could not be filed within the prescribed period. The fiscal year end December 31, 2001 annual audit of Sun River Mining, Inc. is not yet completed and cannot be completed by the required filing date without unreasonable cost and effort. Part IV - Other Information (1) Name and telephone number of person to contact in regard to this notification: /s/Stephen B. Doppler (720) 318-7339 (2) Have all other periodic reports required under section 13 or 15(d) of the Securities Exchange Act of 1934 or section 30 of the Investment Company act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been filed? If the answer is no, identify report(s). Yes (3) It is anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be effected by the earnings statements to be included in the subject report or portion thereof? No Sun River Mining, Inc. has caused this notification to be signed on its behalf by the undersigned thereunto duly authorized. Dated: March 25, 2002 Sun River Mining, Inc. /s/Stephen B. Doppler, President ------------------------------------- Stephen B. Doppler, President