Exceptions to the three percent dfax Three Pivotal Test (TPS) threshold The default TPS distribution factor (dfax) threshold for PJM constraint is 3%. According to the PJM tariff, PJM is required to post any exception to this 3% TPS threshold. Operation Termination CONSTRAINT Threshold Effective Time Time EAU CLAIRE-ARPIN 345 KV (external) 2.0% 11/6/07 15:00 12/12/08 16:00 AEP-METC Interface 1.5% 4/1/09 4:00 Allen-Lulu 345 kV l/o Bay Shore-Monroe 345 kV 1.5% 4/1/09 4:00 Arcadian-Zion 345 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Arcadian-Zion 345 kV l/o Pleasant Prairie-Zion 345 kV 1.5% 4/1/09 4:00 Argenta-Battle Creek 345 kV l/o Argenta-Tompkins 345 kV 1.5% 4/1/09 4:00 12/10/13 5:00 Arnold-Hazelton 345 kV 1.5% 4/1/09 4:00 12/10/13 5:00 Arnold-Hazelton 345 kV l/o Wempletown-Paddock 345 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Arnold-Hazleton 345 kV l/o Sherco 3 1.5% 4/1/09 4:00 12/20/11 5:00 Ashtabula-Erie West 345 l/o Sammis-Wylie Ridge 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Avon-Beaver 345 #1 l/o Avon-Beaver 345 #2 1.7% 4/1/09 4:00 6/7/11 4:00 Baldwin-Mt Vernon 345 kV l/o St Francois-Lutesville 345 kV 1.7% 4/1/09 4:00 3/18/11 4:00 Bay Shore-Fostoria 345 l/o Lemoyne-Fostoria 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Bay Shore-Monroe 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Bay Shore-Monroe 345 l/o Lemoyne-Davis Besse 345 kV 1.5% 4/1/09 4:00 12/5/11 5:00 Bay Shore-Monroe 345 l/o Lemoyne-Majestic 345 kV 1.5% 4/1/09 4:00 12/10/13 5:00 Bayshore-Monroe 345 kV l/o Allen-Lulu-Majestic + Lulu-Monroe 345 kV 1.5% 4/1/09 4:00 Beaver Valley-Hanna 345 l/o Mansfield-Chamberlin 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Beaver Valley-Sammis 345 kV 1.7% 4/1/09 4:00 10/18/10 4:00 Beaver Valley-Sammis 345 l/o Beaver Valley-Hanna 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Beaver-Davis Besse 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Beaver-Davis Besse 345 kV l/o Kammer-South Canton 765 kV 1.7% 4/1/09 4:00 5/31/11 4:00 Beaver-Davis Besse 345 l/o Galion-Fostoria 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Blackhawk-Colley Road 138 kV l/o Paddock-Townline 138 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Blackhawk-Colley Road 138 kV l/o Wempletown-Rockdale 345 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Breed-West Casey 345 l/o Rockport-Jefferson 765 kV 1.5% 4/1/09 4:00 Breed-Wheatland 345 l/o Jefferson-Rockport 765 kV 1.5% 4/1/09 4:00 Buffington 345/138-kV TX1 l/o Pierce-Foster 345 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Bunsonville-Eugene 345 kV l/o Casey-Breed 345 kV 1.5% 4/1/09 4:00 Burnham-Sheffield 345 kV 1.7% 4/1/09 4:00 10/18/10 4:00 Burr Oak 345/138 kV xfmr l/o Burr Oak-Leesburg 345 kV 1.5% 4/1/09 4:00 Cayuga-Nucor 345 kV 1.5% 4/1/09 4:00 Cayuga-Nucor 345 kV l/o Cayuga Sub-Eugene 345 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Cayuga-Nucor 345 kV l/o Wheatland-Amo 345 kV 1.5% 4/1/09 4:00 Chamberlin-Harding 345 kV 1.7% 4/1/09 4:00 10/18/10 4:00 Chamberlin-Harding 345 l/o Star-Juniper 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Coffeen North-Ramsey 345 kV l/o Kincaid-Pana-Coffeen + SPS 1.5% 4/1/09 4:00 1/13/12 5:00 Coffeen-Pana 345 kV 1.5% 4/1/09 4:00 Coffeen-Pana 345 kV l/o Dumont-Wilton Center 765 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Coffeen-Pana 345 l/o Coffeen-Coffeen North 345 kV + Coffeen UN2 SPS 1.5% 4/1/09 4:00 3/15/12 4:00 Coffeen-Pana North 345 kV l/o Holland-Neoga 345 kV 1.5% 4/1/09 4:00 Coffeen-Roxford 345 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Coffeen-Roxford 345 kV l/o Coffeen-Coffeen North 345 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Coffeen-Roxford 345 kV l/o Newton-Xenia 345 kV 1.5% 4/1/09 4:00 Coffeen-Roxford 345 kV l/o Rockport-Jefferson 765 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Cook-Palisades 345 kV l/o Benton Harbor-Palisades 345 kV 1.5% 4/1/09 4:00 Cook-Palisades 345 kV l/o Twin Branch-Argenta 345 kV 1.5% 4/1/09 4:00 Cook-Palisades 345 l/o Cook-Benton Harbor 345 kV 1.5% 4/1/09 4:00 Crete-St Johns Tap 345 l/o Dumont-Wilton Center 765 kV 1.7% 4/1/09 4:00 10/18/10 4:00 Crete-St. John 345 kV l/o E. Frankfort-U. Park North 345 kV 1.5% 4/1/09 4:00 12/5/11 5:00 Davis Besse-Bayshore 345 kV l/o Davis Besse-Lemoyne 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Davis Besse-Beaver 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Davis Besse-Lemoyne 345 kV l/o Davis Besse-Bayshore 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Duck Creek-Ipava 345 kV 1.5% 4/1/09 4:00 PJM DOCS #444860 Dumont-Stillwell 345 kV l/o Olive-Green Acres 345 kV 1.7% 4/1/09 4:00 6/16/11 4:00 Dumont-Stillwell 345 l/o Dumont-Wilton Center 765 kV 1.5% 4/1/09 4:00 8/19/11 4:00 Dune Acres-Michigan City #1 & #2 138 kV l/o Dumont-Wilton Center 1.5% 4/1/09 4:00 Dune Acres-Michigan City 138 #1 l/o Dune Acres-Michigan City 138 #2 1.7% 4/1/09 4:00 10/18/10 4:00 Eastdale-E. Springfield 138kV l/o Lanesville-Brokaw-Pontiac 345 kV 1.5% 4/1/09 4:00 1/13/12 5:00 Eastdale-East Springfield 138 kV l/o Pawnee-Kincaid-Latham-Pontiac 345 1.5% 4/1/09 4:00 10/24/11 4:00 Eastlake-Juniper 345 l/o Perry-Harding 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Eau Claire-Arpin 345 kV 1.5% 4/1/09 4:00 1/11/12 5:00 Eau Claire-Arpin 345 kV l/o Prairie Island-Byron 345 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Eau Claire-Arpin 345 kV l/o Wempletown-Rockdale 345 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Fivepoint-16SE_IPL 138 kV 1.5% 4/1/09 4:00 3/1/12 5:00 Fostoria-Lemoyne 345 kV 1.7% 4/1/09 4:00 10/18/10 4:00 Frankfort-New London 230 l/o Veedersburg-Cayuga 230 kV 1.5% 4/1/09 4:00 3/1/12 5:00 Galion-Fostoria 345 l/o Beaver-Davis Besse 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Galion-South Berwick 345 kV 1.7% 4/1/09 4:00 10/18/10 4:00 Gallagher-Paddys West 138 l/o Speed-Northside 138 kV 1.5% 4/1/09 4:00 Ghent-Batesville 345 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Ghent-Batesville 345 l/o Ghent-West Lexington 345 kV 1.5% 4/1/09 4:00 12/10/13 5:00 Gibson-Petersburg 345 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Gibson-Petersburg 345 kV l/o Gibson-Bedford 345 kV 1.5% 4/1/09 4:00 3/1/12 5:00 Gillespie Tap-Laclede Tap 138 kV l/o Coffeen-Roxford 345 kV 1.5% 4/1/09 4:00 Greenfield-Lakeview 138 l/o Beaver-Davis Besse 345 kV 1.7% 4/1/09 4:00 10/18/10 4:00 Greentown 765/230/138-kV TX l/o Greentown-Dumont 765 kV 1.5% 4/1/09 4:00 Hanna-Juniper 345 l/o Mansfield-Chamberlin 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Havana-Ipava 138 kV l/o Havana-Monmouth 138 kV 1.5% 4/1/09 4:00 Hoytdale-Maple 138 kV l/o Cabot-Wylie Ridge 500 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Kenosha-Lakeview 138 l/o Pleasant Prairie-Zion 345 kV 1.5% 4/1/09 4:00 Krendale-Seneca 138 kV l/o Cabot-Wylie Ridge 500 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Krendale-Seneca 138 l/o Mansfield-Hoytdale 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Lanesville 345/138 xfmr l/o Latham-Kincaid-Pawnee 345 1.5% 4/1/09 4:00 10/24/11 4:00 Lanesville 345/138-kV TX l/o Kincaid 2102 + 2105 + UN2 + 2106 1.5% 4/1/09 4:00 Lanesville 345/138-kV TX l/o Pawnee-Kincaid-Latham-Pontiac 345 kV 1.5% 4/1/09 4:00 10/24/11 4:00 Lanesville 345/138-kV xfmr l/o Lanesville-Brokaw-Pontiac 345 kV 1.5% 4/1/09 4:00 Lemoyne-Majestic 345 kV l/o Bay Shore-Monroe 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Mansfield-Chamberlin 345 l/o Beaver Valley-Hanna 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Mansfield-Highland 345 kV l/o Mansfield-Hoytdale 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Mansfield-Hoytdale 345 l/o Mansfield-Highland 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Merom_HE-Dresser 345 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Meron_HE-Dresser 345 kV l/o Gibson-Petersburg 345 kV 1.5% 4/1/09 4:00 Miami Fort 345/138-kV TX9 l/o Dearborn-Tanners Creek 345 kV 1.5% 4/1/09 4:00 1/3/12 5:00 Miami Fort 345/138-kV TX9 l/o East Bend-Terminal 345 kV 1.5% 4/1/09 4:00 1/3/12 5:00 Miami Fort 345/138-kV TX9 l/o Jefferson-Hanging Rock 765 kV 1.5% 4/1/09 4:00 1/3/12 5:00 Miami Fort 345/138-kV TX9 l/o Rockport-Jefferson 765 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Miami Fort 345/138-kV TX9 l/o Zimmer Unit 1 1.5% 4/1/09 4:00 1/3/12 5:00 Monroe-Bay Shore 345 kV 1.7% 4/1/09 4:00 6/7/11 4:00 Monroe-Bay Shore 345 kV l/o Allen-Lulu 345 kV 1.5% 4/1/09 4:00 12/10/13 5:00 Monroe-Bay Shore 345 l/o Fostoria-Bay Shore 345 kV 1.5% 4/1/09 4:00 12/5/11 5:00 Monroe-Brownstown 1 345 kV l/o Monroe-Wayne 345 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Monroe-Wayne 345 kV l/o Monroe-Brownstown 345 kV 1.5% 4/1/09 4:00 12/20/11 5:00 Montgomery-Spencer 345 kV 1.5% 4/1/09 4:00 Montgomery-Spencer 345 kV l/o Coffeen-Pana-Kincaid 345 kV 1.5% 4/1/09 4:00 12/20/11 5:00 New London-Webster 230 kV l/o Jefferson-Greentown 765 kV 1.5% 4/1/09 4:00 New London-Webster 230 kV l/o Rockport-Jefferson 765 kV 1.5% 4/1/09 4:00 Newton-Casey 345 kV 1.5% 4/1/09 4:00 Newton-Xenia 345 kV 1.5% 4/1/09 4:00 North Appleton-Rocky Run 345 kV 1.5% 4/1/09 4:00 Northeast Ohio Interface 1.7% 4/1/09 4:00 6/7/11 4:00 Northwest Ohio Interface 1.7% 4/1/09 4:00 6/7/11 4:00 Oak Grove-Galesburg 161kV l/o Nelson-Electric Junction 345kV 1.5% 4/1/09 4:00 Ohio Central-Galion 345 l/o E.