Drilling & Completion Summary

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1 API/UWI Property Sub Operator PIONEER NATURAL RESRC USA, INC State TEXAS County ANDREWS Field Name Surface Legal Location SPRABERRY (TREND AREA) BREEDLOVE (STRAWN) 660' FNL, 1980' FWL, SEC 35, BLK 7, UNIVERSITY LANDS Spud Date TD Date Drilling Rig Release Date On Production Date Initial Potential Date Frac Date 3/4/2012 3/17/2012 3/18/2012 5/10/2012 6/21/2012 Ground Elevation (ft) Original KB Elevation (ft) PBTD (All) (ftkb) Total Depth (All) (ftkb) Total Depth All (TVD) (ftkb) 2, , Original Hole - 11,467.4 Original Hole - Daily Operation: 2/27/ :00-2/28/ : RDRT 0.0 RURDRT RDRT & MOVE FROM UNIVERSITY 7-35 # Daily Operation: 2/28/ :00-2/29/ : W/O TRUCKS 0.0 U_WOT FINISH RDRT; RIG RIG TO MOVE; W/O TRUCKS Daily Operation: 2/29/ :00-3/1/ : W/O TRUCKS 0.0 U_WOT W/O TRUCKS Daily Operation: 3/1/ :00-3/2/ : MIRT 0.0 MIRU MIRT Daily Operation: 3/2/ :00-3/3/ : RURT 0.0 RURDRT RURT - DERRICK IN 16:30 HRS Page 1/14

2 Daily Operation: 3/3/ :00-3/4/ : FINISH RURT 0.0 RURDRT FINISH RURT, MIX SPUD MUD, PRE-SPUD INSPECTION (WILL SPUD THIS A.M.) Daily Operation: 3/4/ :00-3/5/ :00 1,804.9 Dens Last Mud (lb/gal) 1 7 1,805.0 DRLG, SURVEY, DRLG, SERVICE RIG, DRLG, SURVEY, DRLG, CIRC, TOH FOR SURFACE CSG SPUD 11" 6:00 A.M TD'D 11" 4:00 A.M Rig PIONEER DRILLING CO., 37 DRLG DRILLING 2.00 DEVSUR 247' 0.50 DRLG DRILLING 1.00 DEVSUR 485' 0.50 DRLG DRILLING 2.50 DEVSUR 970' 0.50 DRLG DRILLING 1.00 DRLG DRILLING 7.50 DEVSUR 1466' 0.50 DRLG DRILLING 5.50 CIRC CIRC TO RUN SURFACE CSG; 1805' 1.00 TRIP TOH TO RUN SURFACE CSG 1.00 Daily Operation: 3/5/ :00-3/6/ :00 1, ,805.0 TOH, RU & RUN 8-5/8" CSG, CIRC, CEMENT CSG, WOC, TEST BOP, TIH 8.70 PIONEER DRILLING CO., 37 TRIP TOH, LD 8" DC'S 2.50 CSG RU CSG CREW 0.50 CSG RUN 40 JTS 8-5/8" CSG & 1805' W/ 10 CENTRALIZERS 7.00 CIRC CIRC, RD CSG CREW 0.50 CMTPRI RU HALLIBURTON & CEMENT 8-5/8" CSG W/ 520 SXS LIGHT PREMIUM PLUS & 165 SXS PREMIUM PLUS 1.50 CMTPRI WOC BOPS TEST BOP TO 500 PSI - OK 1.00 BHA PU BHA #2 & TIH 1.00 Daily Operation: 3/6/ :00-3/7/ : CONTINUE TIH W/ BIT #2, DRLG, SERVICE RIG, DRLG SURVEYS W/ FLO-DRIFT 3, , PIONEER DRILLING CO., 37 Page 2/14

3 TRIP CONTINUE TIH W/ BIT # DRLG DRILLING DRLG DRILLING Daily Operation: 3/7/ :00-3/8/ :00 4 DRLG, SERVICE RIG, DRLG 10 4, ,901.9 DRLG DRILLING DRLG DRILLING Daily Operation: 3/8/ :00-3/9/ :00 5 DRLG, SERVICE RIG, DRLG 11 6, , PIONEER DRILLING CO., 37 DRLG DRILLING DRLG DRILLING Daily Operation: 3/9/ :00-3/10/ :00 6 DRLG, SERVICE RIG, DRLG DRILLING - FULL RETURNS 12 7, ,254.9 SURVEYS W/ FLO-DRIFT DRLG DRILLING DRLG DRILLING Daily Operation: 3/10/ :00-3/11/ : , DRLG, INSTALL ROTATING HEAD, SERVICE RIG, DRLG DRILLING - FULL RETURNS 7, PIONEER DRILLING CO., 37 DRLG DRILLING 1.50 RURDRT INSTALL ROTATING HEAD 0.50 DRLG DRILLING Page 3/14

4 Daily Operation: 3/11/ :00-3/12/ : DRLG, SERVICE RIG, DRLG DRILLING - FULL TO 3/4 RETURNS 8, , PIONEER DRILLING CO., 37 DRLG DRILLING DRLG DRILLING Daily Operation: 3/12/ :00-3/13/ : , , DRLG, SERVICE RIG, DRLG, TOH FOR BIT,LD TRI & SQUARE DC'S, TIH 8.70 PIONEER DRILLING CO., 37 DRLG DRILLING 9.00 DRLG DRILLING 5.50 TRIP TOH FOR BIT # BHA L/D TRI & SQUARE DC'S & BIT 1.00 TRIP TIH W/ BIT # Daily Operation: 3/13/ :00-3/14/ :00 9, ,417.0 CUTDL, TIH, CIRC, TIH, REAM, CIRC, WASH & REAM TO BTM, DRLG, SERVICE RIG, DRLG, X-O ROT HEAD, DRLG CUTDL CUT DRLG LINE 2.50 TRIP CONTINUE TIH W/ BIT # CIRC 4500' 0.50 TRIP TIH TO 7500' 1.00 CIRC 7500' 0.50 TRIP TIH 1.00 RMWASH REAM 60' 0.50 CIRC CIRC & COND MUD 1.00 RMWASH WASH & REAM 150' TO BTM 1.00 DRLG DRILLING 1.50 DRLG DRILLING 0.50 RURDRT C/O ROTATING HEAD 0.50 DRLG DRILLING Daily Operation: 3/14/ :00-3/15/ : DRLG, SURVEY, DRLG, SERVICE RIG, SURVEY, DRLG 10, ,006.6 Page 4/14

5 DRLG DRILLING 5.00 DEVSUR 9498' 0.50 DRLG DRILLING 6.00 RIGSER SERVICE RIG; DRLG DRILLING 3.00 DEVSUR 9736' 1.50 DRLG DRILLING 7.50 Daily Operation: 3/15/ :00-3/16/ :00 12 DRLG, SERVICE RIG, DRLG 18 10, ,919.6 DRLG DRILLING DRLG DRILLING Daily Operation: 3/16/ :00-3/17/ : DRLG, SERVICE RIG, DRLG, CIRC, RU & START LDDP TD'D 7-7/8" 2:00 A.M DRLG DRILLING DRLG DRILLING TO TD 8.00 CIRC TD 2.00 DPIPE RU L/D TRUCK 0.50 DPIPE START LDDP 1.50 Daily Operation: 3/17/ :00-3/18/ : LDDP, DC'S & BHA, SERVICE RIG, RU & RUN 4-1/2" CSG DPIPE LDDP 7.00 RURDRT PULL ROTATING HEAD OUT 0.50 DPIPE LDDP 1.50 BHA BREAK KELLY DOWN; L/D BHA & BIT 2.50 CSG RU CSG CREW 2.00 CSG RUN 271 JTS 5-1/2" CSG & 11,492' W/ 38 CENTRALIZERS Page 5/14

6 Daily Operation: 3/18/ :00-3/18/ : CIRC & WORK PIPE, CEMENT 5-1/2" CSG, WOC, RELEASE RIG RYTE-WRAP FROM 4507' TO 8456'. NO FRAC RING. MARKER JT FROM 8671' TO 8694'. 11,467.35'. RELEASED 6:00 P.M CIRC CIRC & WORK PIPE 2.00 CMTPRI RU SCHLUMBERGER & CEMENT 5-1/2" CSG W/ 930 SXS LITECRETE & 360 SXS CLASS 'H' 50/50 POZ 6.00 CMTPRI WOC, ND & SET SLIPS, CUT OFF CSG, RELEASE RIG TO UNIVERSITY 7-43 # Daily Operation: 3/30/ :00-3/30/ :00 27 MIRU PIONEER WELL SERVICE, 8 CLNOUT MIRU, SION. Daily Operation: 3/31/ :00-3/31/ :00 28 RU HYD JACKS, PU CSG SPEAR PIONEER WELL SERVICE, 8 CLNOUT RU HYD JACKS, PU CSG SPEAR. RIH, PU CSG & RESETTING CSG SLIPS. RDMO. Page 6/14

7 Daily Operation: 4/5/ :00-4/5/ : E & P RAN GR/N/CCL. DATUM ELEV 2973 GL 2993 KB LOG TOP U. SPBY 8472 (-5479) LOG TOP L. SPBY 9000 (-6007) LOG TOP DEAN 9668 (-6675) BASE DEAN 9864 (-6871) STRAWN PBTD TD ENERTECH WIRELINE, NA 1)SPOTTED ACID W/ WIRELINE DUMP BAILER PERF'D STRAWN INTERVAL W/ , , & (120 HOLES). BREAK DOWN STRAWN PERFS W/ 3000 GAL 15% HCL ACID. BDP 4395 PSI. 1 DRUM OF SCALE INHIBITOR IN PAD. SD FRAC STRAWN W/ 187,222 GALS 12# XL ASSIST & 134,505 #30/50 BRADY SAND. SPOT 1500 GAL 15% HCL ACID ACROSS LOWER WOLF INTERVAL ON FLUSH. MAX RATE PSIG. ISIP )SET SOLID COMPOSITE 11090' PERF'D LOWER WOLF INTERVAL W/ , , & (60 HOLES). BREAK DOWN LOWER WOLF PERFS W/ SPOT ACID GAL 15% HCL ACID. BDP 3760 PSI. 1 DRUM OF SCALE INHIBITOR IN PAD. SD FRAC LOWER WOLF W/ 197,996 GALS 12# XL ASSIST & 158,063 #30/50 BRADY SAND. SPOT 1500 GAL 15% HCL ACID ACROSS 1ST MIDDLE WOLF INTERVAL ON FLUSH. MAX RATE PSIG. ISIP )SET SOLID COMPOSITE 10,920' PERF'D 1ST MIDDLE WOLF INTERVAL W/ , , & (60 HOLES). BREAK DOWN 1ST MIDDLE WOLF PERFS W/ SPOT ACID, 15% HCL ACID. BDP 4343 PSI. 1 DRUM OF SCALE INHIBITOR IN PAD. SD FRAC 1ST MIDDLE WOLF W/ 200,222 GALS 12# XL ASSIST & 157,915 #30/50 BRADY SAND. SPOT 1500 GAL 15% HCL ACID ACROSS 2ND MIDDLE WOLF INTERVAL ON FLUSH. MAX RATE PSIG. ISIP )SET SOLID COMPOSITE 10500' PERF'D 2ND MIDDLE WOLF INTERVAL W/ , , & (60 HOLES). BREAK DOWN 2ND MIDDLE WOLF PERFS W/ SPOT ACID, 15% HCL ACID. BDP 3009 PSI. 1 DRUM OF SCALE INHIBITOR IN PAD. SD FRAC 2ND MIDDLE WOLF W/ 195,038 GALS 12# XL ASSIST & 145,203 #30/50 BRADY SAND. SPOT 1500 GAL 15% HCL ACID ACROSS UPPER WOLF INTERVAL ON FLUSH. MAX RATE PSIG. ISIP )SET SOLID COMPOSITE 10120' PERF'D UPPER WOLF INTERVAL W/ , , & (60 HOLES). BREAK DOWN UPPER WOLF PERFS W/ SPOT ACID, 15% HCL ACID. BDP 3245 PSI. 1 DRUM SCALE INHIBITOR IN PAD. SD FRAC UPPER WOLF W/ 204,050 GALS 12# XL ASSIST & 149,866 #30/50 BRADY SAND. SPOT 1500 GALS 15% HCL ACID ACROSS UWC/DEAN ON FLUSH. MAX RATE PSIG. ISIP )PERF'D UWC/DEAN INTERVAL W/ & (30 HOLES). BREAK DOWN UWC/DEAN PERFS W/ SPOT ACID, 15% HCL ACID. BDP 4360 PSI. 1 DRUM SCALE INHIBITOR IN PAD. SD FRAC UWC/DEAN INTERVAL W/ 43,508 GALS 18# XLINK GEL & 113,767 #30/50 BRADY SAND. SPOT 1500 GAL 15% HCL ACID ACROSS DEAN INTERVAL ON FLUSH. MAX RATE PSIG. ISIP )SET SOLID COMPOSITE 9760' PERF'D DEAN INTERVAL W/ , & (45 HOLES). BREAK DOWN DEAN PERFS W/ SPOT ACID, 15% HCL ACID. BDP 2583 PSI. 1 DRUM SCALE INHIBITOR IN PAD. SD FRAC DEAN INTERVAL W/ 73,142 GALS 18# XLINK GEL & 169,894 #20/40-16/30 BRADY SAND. SPOT 1500 GAL 15% HCL ACID ACROSS 1ST LOWER SPBY INTERVAL ON FLUSH. MAX RATE PSIG. ISIP FRAC CONTINUED ON: 4/6/12 Page 7/14

8 Daily Operation: 4/6/ :00-4/6/ :00 34 FRAC CONTINUED FROM : 4/5/ ENERTECH WIRELINE, NA 8)PERF'D 1ST LOWER SPBY INTERVAL W/ , & (45 HOLES). BREAK DOWN 1ST LOWER SPBY PERFS W/ SPOT ACID, 15% HCL ACID. BDP 977 PSI. 1 DRUM SCALE INHIBITOR IN PAD. SD FRAC 1ST LOWER SPBY INTERVAL W/ 69,808 GALS 25# XLINK GEL & 157,277 #20/40-16/30 BRADY SAND. SPOT 1500 GAL 15% HCL ACID ACROSS 2ND LOWER SPBY INTERVAL ON FLUSH. MAX RATE PSIG. ISIP )SET SOLID COMPOSITE 9220' PERF'D 2ND LOWER SPBY INTERVAL W/ , & (45 HOLES). BREAK DOWN 2ND LOWER SPBY PERFS W/ SPOT ACID, 15% HCL ACID. BDP PSI. 1 DRUM SCALE INHIBITOR IN PAD. SD FRAC 2ND LOWER SPBY W/ 71,462 GALS 25# XLINK GEL & 174,539 #20/40-16/30 BRADY SAND. MAX RATE PSIG. ISIP PSIG. TBLWTR - 31,248 BBLS Daily Operation: 4/18/ :00-4/18/ :00 46 MIRUSU. 22 CLNOUT 3PM. OPEN WELL W/ 100# PRESSURE. OPEN TO PIT & LET WELL FLOW DN. SDON. Daily Operation: 4/19/ :00-4/19/ :00 47 RIH W/ 264 JTS TO 8352'. 22 CLNOUT OPEN WELL, 50# PRESSURE, BLEW OFF TO PIT, PU B&S, TALLY TOP ROW, START PU TBG, GOT IN HOLE W. 264 JTS TO 8352', TRND AROUND & POOH 2/ B&S, L/D, SWI, SDON. Daily Operation: 4/20/ :00-4/20/ : SET PKR, PRESSURED UP, HELD GOOD. CLNOUT OPEN WELL W/ 0# PRESSURE. PU, RIH W/ PKR & 264 JTS TBG. SET 8354', PRESSURE UP ON PLUG TO 1000#, HELD GOOD. UNSET PKR. POOH & SET 8165'. GOT RATE OF # THRU SQZ HOLES. TESTED BS TO 500#, HELD GOOD. BLED THE PRESSURE OFF, UNSET THE PKR. POOH W/ TBG, LD PKR. PU, RIH W/ CMT RETAINER & LEFT IT 8162'. SHUT THE WELL IN, SHUT DN FOR THE NIGHT. Page 8/14

9 Daily Operation: 4/23/ :00-4/23/ : RU CMT TRUCK, M&P 400 SX OF ULTRA LIGHT CMT & TAILED IT IN W/ 50 SX OF CLASS C CMT. CLNOUT OPEN WELL W/ 0# PRESSURE. CMT CREW WAS LATE. PUMP 35 BBLS THRU RETAINER & CLEARED W/ FISHERMANS PUMP. SET 8135' & PRESSURE UP BS TO 700#. W/O CMTERS, THEY SHOWED 11AM. GOT THEM RU & WENT RIGHT INTO FRESH. GOT RATE OF 1350#. WENT ON CMT, M&P 400 SX OF ULTRA LIGHT CMT & TAILED IT IN W/ 50 SX OF CLASS C CMT. PRESSURE DROPPED TO 0# W/ 20 BBLS OF CMT AWAY. WENT ON DISPLACEMENT. STARTED CATCHING 15 BBLS 25 BBLS AWAY SLOWED RATE TO 1BPM & WALKED PRESSURE UP TO 750#. 30 BBLS AWAY. ISIP-510#. STUNG OUT & LEFT 1 1/2 BBLS OF CMT IN THE TBG. REVERSED OUT 1/2 BBL OF 31 AWAY. PUMP ANOTHER 20 BBLS & CLEANED UP. SD & RD CMT TRK. POOH W/ TBG, LD SETTING TOOL. FISHERMAN D/N HAVE DC. SDON & WOC. Daily Operation: 4/24/ :00-4/24/ : DRILL OUT 14' OF CMT & GOT ON RETAINER. GOT THRU RETAINER & GOT ON CMT. DRILL OUT CMT IN 2 HRS, FELL 8254'. CLNOUT OPEN WELL W/ 0# PRESSURE. PU 4 3/4" BIT & 4 DC'S, RIH W/ TBG. TAG 8145', RU SWIVEL, BROKE CIRC. D/O 14' OF CMT & GOT ON RETAINER. GOT THRU RETAINER IN 3 HRS & GOT ON CMT. D/O CMT IN 2 HRS, FELL 8254'. RAN 1 MORE JNT & CIRC HOLE CLEAN. PRESSURE UP ON CSG TO 500#, HELD FOR 10 MIN. RD SWIVEL & POOH STANDING BACK 120 STANDS. SDON. Daily Operation: 4/25/ :00-4/25/ : FOUND 8092', C/N PUMP INTO ORIGINAL SQZ HOLES. CLNOUT OPEN WELL, HAD A WATER FLOW FOR ABOUT 10 MIN. GOT OUT W/ THE REST OF THE TBG & STOOD BACK DC. WO WL, THEY SHOWED 10 AM. RU WL, PU CBL TOOL & RIH TO 8300' & LOGGED UP FROM THERE. FOUND 8092', POOH W/ WIRELINE. MADE ANOTHER ATTEMPT TO PUMP INTO ORIGINAL SQZ HOLES-C/N. PU GUN & RIH, SHOT SQZ 8060', POOH W/ GUN. RU PUMP & PUMPED INTO SQZ HOLES 2 900#, W/O PKR HAND TO ARRIVE W/ ANOTHER CMT RETAINER. GOT TO LOCATION & PU CMT RETAINER &RIH. GOT IN TO 7969' ON 252 JTS TBG. LEFT IT SWINGING FOR THE NIGHT. SDON. Daily Operation: 4/26/ :00-4/26/ : M&P 400 SX OF ULTRA LITE & TAILED IT W/ 50 SX "H" NEAT. CLNOUT OPEN WELL, W/O CEMENTERS TILL 11A. WHILE WAITING, CLEARED RETAINER W/ 35 BBLS USING FISHERMANS PUMP. SET 7969', PRESSURE BACK SIDE TO 500#, CMT SHOWED UP. RU & GOT ON TBG. GOT RATE OF #. WENT ON CMT, M&P 400 SX OF ULTRA LITE & TAILED IT W/ 50 SX "H" NEAT. SAW PRESSURE THRU OUT, D/N WASH UP WENT STRAIGHT INTO IT. SLOWED RATE TO 1 BPM W/ 5 BBLS LEFT. WALKED PRESSURE UP TO 1200# ON SD. ISIP=1000#. STUNG OUT & REVERSED OUT. GOT 1/2 BBLS CMT 30 AWAY. RD CMT. POOH W/ TBG & SETTING TOOL. PU NEW 4 3/4" BIT. RIH W/ D/C'S & 120 STANDS. LEFT 7597' & SDON. Page 9/14

10 Daily Operation: 4/27/ :00-4/27/ : TAG CMT 7969', DRILL OUT CMT RETAINER IN 4 HRS. CLNOUT OPEN WELL. CONTINUE IN HOLE, TAG CMT 7969', PU SWIVEL & BROKE CIRC. STARTED DRILLING ON RETAINER. DRILL RETAINER IN 4 HRS, GOT ON CMT. FELL OUT OF 8061', RAN 1 MORE JNT & CIRC HOLE CLEAN. PRESSURE UP ON CSG TO 500#, HELD FOR 5 MIN. LD SWIVEL & TOOK OFF STRIPPER. POOH W/ TBG & STAND BACK DC'S. SWI & SDON. Daily Operation: 4/28/ :00-4/28/ : RIH TO 8330', LOG UP FROM THERE. FOUND 6700'. CLNOUT RU APOLLO. PU CBL TOOL & RIH. GOT LINED UP ON COLLARS, CONTINUE IN TO 8330' & LOG UP FROM THERE. FOUND 6700'-GOOD. POOH W/ CBL TOOL & RD APOLLO. PU MILL & RIH W/ 134 STANDS & LEFT MILL 8300'. SD4WKND. Daily Operation: 4/30/ :00-4/30/ : DRILL 8500', 9220', 9510', 9760', 9950 & 10120'. CLNOUT OPEN WELL W/ 0 PSI. RIH W/ TBG, 8450', PU POWER SWIVEL, BROKE CIRC, WASH DN TO 8500', DRILL PLUG. 9200', WASH DN TO 9220', DRILL PLUG. 9400', WASH DN TO 9510', DRILL PLUG. 9720', WASH DN TO 9760', DRILL PLUG. 9875', WASH DN TO 9950', DRILL PLUG. RIH, 10025', WASH DN TO 10120', DRILL PLUG & CIRC CLEAN. LD POWER SWIVEL. POOH W/ TBG ABOVE PERFS. SHUT THE WELL IN, SHUT DN FOR THE NIGHT, Daily Operation: 5/1/ :00-5/1/ : DRILL 10500', 10920', 11090' & WASH TO 11467'. CLNOUT OPEN WELL, RIH & 10423'. PU POWER SWIVEL, BROKE CIRC, WASH DN TO 10500', DRILL PLUG ', WASH DN TO 10920', DRILL PLUG ', WASH DN TO 11090', DRILL PLUG. RIH, 11260', WASH DN TO PBTD. CIRC HOLE CLEAN, LD POWER SWIVEL. POOH W/ 272 JTS TBG. SHUT THE WELL IN, SHUT DN FOR THE NIGHT. Daily Operation: 5/2/ :00-5/2/ : RIH W/ BHA & PROD TBG STRING. ND BOP, SET TAC, FLANGED UP WH & CHANGED TOOLS OVER TO RUN RODS. Page 10/14

11 CLNOUT OPEN WELL W/ 1400#. POOH W/ 80 JTS TBG. POOH & LD 91 JTS TBG, FLOAT VALVE & MILL. RIH W/ BHA & PROD TBG STRING. ND BOP, SET TAC, FLANGED UP WH & CHANGED TOOLS OVER TO RUN RODS. PU RIH W/ PUMP & 55 RODS. SHUT THE WELL IN, SHUT DN FOR THE NIGHT. Daily Operation: 5/3/ :00-5/3/ : RIH W/ REST OF THE PROD ROD STRING. HWO, LOAD TBG TO 500#, HAD GOOD PA. RDPU. TUBING DETAIL: /8" TBG /8" ENDURALLOY TBG 1-2 3/8" 8933' 1-2 3/8" SSN 1-5 1/2" TAC 1-3 1/8" FG MMA ROD DETAIL: 1-1 1/4" X 26' POLISH ROD 1- ROD SUB 1-7/8" STEEL ROD 120-1" FG RODS 1- ROD SUB 149-7/8" STEEL RODS 25- K-BARS 1-2" X 1.25" X 20' PUMP #PPT-4412 CLNOUT OPEN WELL W/ 900#, OPEN WELL UP, PUMP 40 BBLS BRINE WATER DN TBG TO STOP FLOW. PU, RIH W/ REST OF THE PROD ROD STRING. HWO, LOAD TBG TO 500#, HELD GOOD, HAD GOOD PA. RDPU. Daily Operation: 5/8/ :00-5/28/ :00 85 DAILY WELL TEST: (AFTER COMPLETION) 28 5/8/12 - W/O WH & FLOWLINE 5/9/12 - POP 8/64 CH 5/10/12-0 BO, 0 BW & 20 MCF -FL 9/64 CH 5/11/12-0 BO, 0 BW & 18 MCF -FL 5/12/12-0 BO, 0 BW & 22 MCF -FL 5/13/12-0 BO, 0 BW & 15 MCF -FL 5/14/12-1 BO, 0 BW & 10 MCF -FL 5/15/12-0 BO, 0 BW & 15 MCF -FL 5/16/12-0 BO, 0 BW & 13 MCF -FL 5/17/12-0 BO, 0 BW & 10 MCF -FL 18/64 CH 5/18/12-2 BO, 0 BW & 30 MCF -FL 5/19/12-49 BO, 0 BW & 122 MCF -FL 5/20/12-22 BO, 0 BW & 91 MCF -FL 5/21/12-3 BO, 0 BW & 1.5 MCF -FL 5/22/12-42 BO, 120 BW & 27 MCF - FL 10/64 CH 5/23/12-12 BO, 120 BW & 26 MCF -FL 21/64 CH 5/24/ BO, 75 BW & 31 MCF -FL 25/64 CH 5/25/12-17 BO, 110 BW & 40 MCF -FL 5/26/12-17 BO, 98 BW & 20 MCF -FL 5/27/12-10 BO, 14 BW & 7 MCF -FL 5/28/12-6 BO, 41 BW & 4 MCF -FL 15/64 CH 9.10 Page 11/14

12 Daily Operation: 5/29/ :00-6/21/ : DAILY WELL TEST: (AFTER COMPLETION) 28 5/29/ BO, 60 BW & 0 MCF -FL 15/64 CH 5/30/12-18 BO, 96 BW & 19 MCF -FL 5/31/ BO, 92 BW & 40 MCF -FL 6/1/12-98 BO, 91 BW & 40 MCF -FL 6/2/12-3 BO, 22 BW & 10 MCF -FL 6/3/12-14 BO, 20 BW & 10 MCF -FL 6/4/12-37 BO, 97 BW & 45 MCF -FL 6/5/12-60 BO, 425 BW & 21 MCF -FL 6/6/12-60 BO, 430 BW & 15 MCF -FL 6/7/12-58 BO, 400 BW & 19 MCF -FL 6/8/12-60 BO, 390 BW & 21 MCF -FL 6/9/12-59 BO, 357 BW & 23 MCF -FL 6/10/12-65 BO, 385 BW & 25 MCF -FL 9.10 WELL DETAILS Well Name UNIVERSITY 7-35 #1 Wellbore Hole Size API/UWI Operator PIONEER NATURAL RESRC USA, INC Section Des Size (in) Act Top (ftkb) Act Btm (ftkb) Start Date End Date Surface , /4/2012 3/5/2012 Production 7 7/8 1, /6/2012 3/17/2012 Surface Casing Set Depth (ftkb) Run Date 1, /5/2012 Centralizers 10 Item Des OD (in) ID (in) Wt (lb/ft) Grade Len (ft) Jts Top (ftkb) Btm (ftkb) Casing Joints 8 5/ J-55 1, ,758.8 Casing Shoe Joint 8 5/ J , ,804.0 Texas Style Guide Shoe 9 1/ , ,805.0 Surface Casing Cement Type String Casing Surface, 1,805.0ftKB Class Amount (sacks) LT PREMIUM PLUS Class Amount (sacks) PREMIUM PLUS Production Casing Set Depth (ftkb) Run Date 3/17/2012 Cementing Start Date 3/5/2012 Centralizers 38 Cementing End Date 3/5/2012 Yield (ft³/sack) 520 Yield (ft³/sack) 165 Cementing Company Halliburton Energy Services Density (lb/gal) 1.88 Density (lb/gal) 1.35 Top (ftkb) Btm (ftkb) ,805.0 Item Des OD (in) ID (in) Wt (lb/ft) Grade Len (ft) Jts Top (ftkb) Btm (ftkb) Casing Joints 5 1/ L-80 4, ,506.5 Ryte-Wrap Casing Joints 5 1/ L-80 3, , ,455.8 Casing Joints 5 1/ L , ,670.6 Marker Joint 5 1/ L , ,693.3 Casing Joints 5 1/ L-80 2, , ,467.1 Float Collar 5 1/ , ,468.1 Casing Shoe Joint 5 1/ L , ,491.0 Float Shoe 5 1/ ,491.0 Production Casing Cement Type Casing Class LITECRETE String Production, ftkb Amount (sacks) Cementing Start Date 3/18/2012 Cementing End Date 3/18/2012 Yield (ft³/sack) 930 Cementing Company SCHLUMBERGER Density (lb/gal) Top (ftkb) Btm (ftkb) 6, Page 12/14

13 Class Amount (sacks) Yield (ft³/sack) Density (lb/gal) Class H Cement Squeeze Description Type String Cementing Start Date Cementing End Date Top (ftkb) Btm (ftkb) Amount (sacks) Yield (ft³/sack) Dens (lb/gal) Perforations Top (ftkb) Btm (ftkb) Zone Shot Dens (shots/ft) Entered Shot Total 9, ,207.0 Lower Spraberry, Original Hole , ,421.0 Lower Spraberry, Original Hole , ,724.0 Dean, Original Hole , ,907.0 Upper Wolfcamp/DEAN, Original Hole Com 9, ,092.0 Upper Wolfcamp, Original Hole , ,320.0 Middle Wolfcamp, Original Hole , ,891.0 Middle Wolfcamp, Original Hole , ,053.0 Lower Wolfcamp, Original Hole , ,382.0 Strawn, Original Hole Completion (FRAC) Details Sand Frac on 4/5/ :00 Date 4/5/2012 Type Sand Frac Zone GEL Fluid Name Stim/Treat Company Pioneer Natural Resources Total Water/Clean Volume (bbl) Min Top Depth (ftkb) Max Btm Depth (ftkb) SAND & ACID Additive Type Amount Units Sand Size Concentration Zones Zone Name Strawn Lower Wolfcamp Middle Wolfcamp Upper Wolfcamp Upper Wolfcamp/DEAN Dean Lower Spraberry Tubing Details Tubing Description Set Depth (ftkb) Run Date Top (ftkb) Tubing Components Item Des OD (in) Wt (lb/ft) Grade Len (ft) Jts Top (ftkb) Btm (ftkb) Rod Strings Rod Description Set Depth (ftkb) Run Date Rod Components Item Des OD (in) Wt (lb/ft) Grade Len (ft) Jts Top (ftkb) Btm (ftkb) Make Model SN Well Tests Description WELL TEST BEFORE IP Volume Oil Total (bbl) Volume Gas Total (MCF) Volume Water Total (bbl) Start Date End Date Sz Dia Choke (in) Com Vol Oil Tot (bbl) Vol Gas Tot (MCF) Vol Water Tot (bbl) 6/11/ /12/ /13/ /14/ /15/ /16/ /17/ Page 13/14

14 Start Date End Date Sz Dia Choke (in) Com Vol Oil Tot (bbl) Vol Gas Tot (MCF) Vol Water Tot (bbl) 6/18/ /19/ /20/ Description IP COMPLETION Volume Oil Total (bbl) 34.0 Volume Gas Total (MCF) Volume Water Total (bbl) Start Date End Date Sz Dia Choke (in) Com Vol Oil Tot (bbl) Vol Gas Tot (MCF) Vol Water Tot (bbl) 6/21/2012 IP WELL W/ 39.6 DEG. GRAVITY Directional Survey Date 3/4/2012 Description MAIN HOLE SURVEY Date MD (ftkb) Incl ( ) Azm ( ) TVD (ftkb) Unwrap Displace (ft) Survey Company 3/4/ /4/ /4/ /4/2012 1, , /5/2012 1, , /6/2012 2, , /6/2012 2, , /6/2012 3, , /7/2012 3, , /7/2012 4, , /8/2012 4, , /8/2012 5, , /9/2012 5, , /9/2012 6, , /9/2012 6, , /10/2012 7, , /10/2012 7, , /11/2012 8, , /12/2012 8, , /13/2012 9, , /14/2012 9, , /14/2012 9, , /14/2012 9, , /15/ , , /15/ , , /15/ , , /15/ , , /15/ , , /16/ , , /16/ , , /16/ , , Page 14/14

02/01/2013: Surveying, Luchinni & Mertz, University Emilie #3R well to be drilled. DWC: $1, CTD: $1,500.00

DAKOTA RESOURCES UNIVERSITY EMILIE #3R 560 FEL & 1680 FSL, SEC. 35, BLK. 4 ANDREWS CO., TX API 42-003-45115 TD: 11,200 AFE: 377 PROP: 000307 PERMIT: 756090 02/01/2013: Surveying, Luchinni & Mertz, University