| 6/5/2015 | IIROC Trade Resumption - CEG |
| 6/5/2015 | IIROC Trading Halt - CEG |
| 10/6/2011 | Launches Natural Gas Offer in Greater Philadelphia, Expandin... |
| 10/3/2011 | to Sponsor First "Environment Friendly Game" at Iconic Soldi... |
| 9/21/2011 | and Chromatin Announce Partnership to Test Sorghum Biomass a... |
| 9/15/2011 | Performance Contract with Constellation Energy Guarantees Tr... |
| 9/14/2011 | Named to the 2011 Dow Jones Sustainability Index |
| 9/13/2011 | Launches Its Next Generation Energy Management Application f... |
| 9/8/2011 | Statement by Constellation Energy Nuclear Group Memorializin... |
| 9/8/2011 | Launches Residential Solar Leasing Program |
| 8/30/2011 | seeking applications for "Energy to Educate" Grant Program |
| 8/28/2011 | Nuclear Group (CENG) Press Statement: |
| 8/23/2011 | Nuclear Group Statement Following East Coast Earthquake |
| 8/18/2011 | Printing Industries of Michigan Chooses Constellation Energy... |
| 8/16/2011 | Illinois Manufacturers' Association Renews, Expands Agreemen... |
| 8/11/2011 | AICUP Signs Five-year Agreement Endorsing Constellation Ener... |
| 8/11/2011 | Expands Competitive Electricity Supply For Commonwealth of P... |
| 8/1/2011 | Expands Residential Electricity Choice and Savings to 330,00... |
| 7/28/2011 | Destination Clean Energy: Denver International Airport Dedic... |
| 7/19/2011 | Extends Agreement to Supply Competitive Electricity to the U... |
| 7/19/2011 | Rhode Island Manufacturers Association Reaffirms Long-Term R... |
| 6/28/2011 | Corporate Social Responsibility Report Highlights Energy Eff... |
| 6/27/2011 | Nuclear Group (CENG) Announces Leadership Appointments at R.... |
| 6/16/2011 | to Supply Renewable Energy Certificates for U.S. Conference ... |
| 6/16/2011 | to Help PECO Customers Save Up to 12 Percent on Home Electri... |
| 6/7/2011 | McCormick Powers Up Second Solar Installation from Constella... |
| 6/6/2011 | Terminates Agreement to Sell Quail Run Plant in West Texas |
| 5/27/2011 | to Acquire Texas Residential Energy Supplier And Expand Nati... |
| 5/26/2011 | Awarded New GSA Contract for Electricity, Renewable Energy f... |
| 5/25/2011 | Exelon, Constellation Energy File for Maryland Regulatory Ap... |
| 5/20/2011 | Exelon, Constellation Energy File with FERC for Approval of ... |
| 5/20/2011 | to Host 2011 Annual Meeting of Shareholders |
| 5/12/2011 | to Expand Residential Customer Base, Broaden Geographic Foot... |
| 5/5/2011 | Massachusetts Manufacturing Extension Partnership Chooses Co... |
| 5/5/2011 | Offering Residential Electricity Summer Savings to New Jerse... |
| 5/2/2011 | to Acquire 30 MW Solar Installation in Sacramento |
| 5/2/2011 | to Offer New Economic Load Response Program with Old Dominio... |
| 4/29/2011 | Chicago White Sox Team Up to Promote Environmental Stewardsh... |
| 4/28/2011 | Exelon and Constellation Energy to Merge |
| 4/27/2011 | "Take Our Daughters and Sons to Work Day" Activities to Emph... |
| 4/14/2011 | "Power Play" for Capitals' Playoff Series Highlights Electri... |
| 4/13/2011 | Manufacturers Association of Central New York (MACNY) Names ... |
| 4/13/2011 | to Develop 4.5 MW Solar Power System with Holyoke Gas & Elec... |
| 4/5/2011 | to Green 2011 APA National Planning Conference With 50 Renew... |
| 4/4/2011 | to Supply Natural Gas and Energy Market Analysis to Toyota M... |
| 4/1/2011 | AOBA Alliance Inc. and Washington, D.C., Restaurant Associat... |
| 3/29/2011 | to Lead Energy Policy Panel at Globalcon |
| 3/24/2011 | and U.S. Department of State Sign Innovative Agreement That ... |
| 3/23/2011 | Nuclear Group Announces Leadership Appointments |
| 3/15/2011 | to Supply Renewable Energy Certificates to the 2011 ‘Buy Leh... |
| 3/14/2011 | Launches Dynamic, New Website |
| 3/7/2011 | CEO and CFO to Participate in Morgan Stanley 2011 Utilities ... |
| 3/7/2011 | MJSA Expo New York is Going Green with Constellation Energy ... |
| 2/28/2011 | Offers Residential Electricity Choice and Savings to 2.2 Mil... |
| 2/14/2011 | MJSA Chooses Constellation Energy As Endorsed Energy Supplie... |
| 8/18/2010 | Extends Mobility of VirtuWatt Energy Management Tool with Ne... |
| 8/18/2010 | Manufacturers Association of Maine Names Constellation Energ... |
| 8/11/2010 | Names Bruce J. Stewart to Chief Marketing Officer and Managi... |
| 8/9/2010 | Signs Agreement to Acquire the 2,950 MW Boston Generating Ga... |
| 8/3/2010 | Sells 14.5 Megawatt Share in CA Geothermal Assets for $72.5 ... |
| 7/23/2010 | Declares Quarterly Dividend |
| 7/20/2010 | Federal Correctional Facilities Working With Constellation E... |
| 6/9/2010 | Nuclear Group, LLC Names Mary "Maria" Korsnick Chief Nuclear... |
| 6/8/2010 | Begins Commercial Dispatch of Hillabee Power Plant in Alexan... |
| 6/4/2010 | to Participate at the Fifth Annual Citi Power, Gas, Coal and... |
| 5/22/2010 | to Host 2010 Annual Meeting of Shareholders |
| 5/18/2010 | Completes Purchase of Texas Natural Gas Plants |
| 4/23/2010 | Awards EcoStar Grants to Community Stewards |
| 4/22/2010 | Celebrates Take Our Daughters and Sons to Work Day with Serv... |
| 4/22/2010 | McCormick Adds More Solar Power from Constellation Energy |
| 4/19/2010 | Kids of Constellation Energy Employees Will Go to Work for C... |
| 4/16/2010 | Signs $365 Million Agreement with Navasota Holdings to Purch... |
| 4/14/2010 | Names Mary L. Lauria Chief Talent Officer |
| 4/7/2010 | Completes Acquisition of Criterion Wind Project in Western M... |
| 3/29/2010 | Completes Solar and Wind Installation for University of Tole... |
| 3/23/2010 | Nuclear Group's Calvert Cliffs Nuclear Power Plant Unit 1 Co... |
| 3/23/2010 | to Host Financial Analysts Meeting |
| 3/1/2010 | State-of-the-Art Emissions Scrubbers at Constellation Energy... |
| 2/23/2010 | Contributes Nearly $4 Million to 2009 United Way Campaigns |
| 2/22/2010 | Reports Full Year 2009 Results |
| 2/16/2010 | Announces $90 Million Solar Capital Commitment |
| 2/15/2010 | Two Constellation Energy Projects Named Best in New England ... |
| 2/4/2010 | Announces Expiration of its Cash Tender Offer for 7.00 Perce... |
| 1/27/2010 | Competitive Retail Power Business Names Michael D. Smith to ... |
| 1/22/2010 | Declares Quarterly Dividend |
| 1/21/2010 | Announces Early Results of Debt Tender Offer |
| 1/18/2010 | Launches New EcoStar Grant Program |
| 1/11/2010 | Foundation Awards $400,000 to Maryland-based Nonprofit Organ... |
| 1/6/2010 | Announces Cash Tender Offer For Up to $400 Million Aggregate... |
| 12/28/2009 | $36 Million Contributed to Constellation Energy Group Founda... |
| 12/8/2009 | to Develop Maryland's Largest Solar Photovoltaic Power Syste... |
| 12/7/2009 | Releases Statement Regarding the 15th Conference of the Part... |
| 11/30/2009 | Signs Agreement to Acquire Western Maryland Wind Project |
| 11/9/2009 | Mourns the Passing of Former BGE Chief Executive and Board o... |
| 11/2/2009 | Releases Statement Regarding the Company's Proposed Nuclear ... |
| 10/30/2009 | Maryland Public Service Commission's Ruling Related to the P... |
| 10/27/2009 | to Hold Press Conference Today on Federal Stimulus Grant to ... |
| 10/26/2009 | More Businesses Teaming on Energy Purchases Through Boston B... |
| 10/23/2009 | Declares Quarterly Dividend |
| 10/18/2009 | Employees and Family Members Help Dedicate Habitat for Human... |
| 10/7/2009 | R. E. Ginna Nuclear Power Plant Completes Milestone Refuelin... |
| 10/5/2009 | Receives NAHRO Community Service Awards |
| 10/1/2009 | Decade of Retail Electricity Competition in Illinois Yields ... |
| 10/1/2009 | Names Christopher J. Close Chief Financial Officer for Comme... |
| 9/17/2009 | Receives Top Rating on Human Rights Campaign Foundation's Co... |
| 9/15/2009 | Employees to Help Build Habitat for Humanity Homes |
| 9/2/2009 | Repays $500 Million, 6.125 Percent Bond |
| 8/6/2009 | Applauds Pennsylvania Public Utility Commission for Removal ... |
| 7/31/2009 | Releases Statement Regarding Maryland Public Service Commiss... |
| 7/24/2009 | Declares Quarterly Dividend |
| 7/13/2009 | Baltimore Gas and Electric Company to Hold Press Conference ... |
| 7/8/2009 | Signs Major Texas School District to Electricity Supply Agre... |
| 7/2/2009 | Applies Energy Conservation Expertise to Economic Stimulus P... |
| 7/2/2009 | to Supply Electricity to Commonwealth of Pennsylvania Govern... |
| 7/3/2009 | Statement on Baltimore Circuit Court Ruling |
| 6/30/2009 | Maryland Public Service Commission Issues Final Approval for... |
| 6/26/2009 | Urges "Yes" Vote on H.R. 2998, the American Clean Energy Sec... |
| 6/22/2009 | Maryland Chamber of Commerce Visits Calvert Cliffs Nuclear P... |
| 6/11/2009 | Appeals Maryland Public Service Commission Finding |
| 6/11/2009 | Will Hold Press Briefing on Maryland PSC Ruling in EDF Trans... |
| 5/29/2009 | Declares Quarterly Dividend |
| 5/22/2009 | to Host 2009 Annual Meeting of Shareholders |
| 5/17/2009 | Applauds Proposed Climate Change Legislation as a Promising ... |
| 3/3/2009 | Releases Statement in Response to Maryland Governor O'Malley... |
| 2/24/2009 | Baltimore Gas and Electric Company Declares Quarterly Divide... |
| 2/23/2009 | CORRECTING and REPLACINGCalvert Cliffs Nuclear Plant Unit 2 ... |
| 2/23/2009 | Calvert Cliffs Nuclear Plant Unit 2 Sets World Record For Op... |
| 2/4/2009 | to Sell Downstream Gas Business |
| 1/28/2009 | Commences Commercial Operation of Grand Prairie Power Projec... |
| 1/22/2009 | Golf Foundation Distributes $400,000 to Maryland-Based Nonpr... |
| 1/21/2009 | Names Carim Khouzami Executive Director, Investor Relations |
| 1/20/2009 | Enters into Definitive Agreement to Divest the Majority of i... |
| 1/8/2009 | First Wave of New Reactor License Applications for UniStar S... |
| 1/7/2009 | Projects & Services Group Awarded DOE Contract to Provide En... |
| 12/17/2008 | and EDF Group Enter Definitive Investment Agreement |
| 12/17/2008 | and MidAmerican Energy Holdings Company Jointly Terminate Me... |
| 12/8/2008 | Board Authorizes Discussions With Electricite de France (EDF... |
| 12/3/2008 | Receives Unsolicited Proposal From A%lectricite de France |
| 11/25/2008 | Mails Definitive Proxy Statement and Schedules Special Meeti... |
| 11/11/2008 | Announces New Management Team for Commercial Businesses |
| 11/3/2008 | MidAmerican and Constellation Energy Receive Early Terminati... |
| 10/2/2008 | Announces New Solution for Businesses to Track and Mitigate ... |
| 10/2/2008 | MidAmerican Merger with Constellation Energy Advances with C... |
| 9/30/2008 | Partners Retains Advisor to Review Strategic Alternatives |
| 9/29/2008 | and MidAmerican Energy Holdings Confirm Merger Process on Tr... |
| 9/18/2008 | MidAmerican Energy Holdings Company Reaches Tentative Agreem... |
| 9/12/2008 | Named to the Dow Jones Sustainability North America Index fo... |
| 9/9/2008 | Receives Top Rating on Human Rights Campaign Foundation's Co... |
