ALLETE has entered an agreement to be acquired by a partnership led by Canada Pension Plan Investment Board and Global Infrastructure Partners and start the process to become a private company. Learn more at www.ALLETEforward.com.

Section 16 Insider Trades

Date Filer Title Filing Type Shares Traded Price Total Held
Jun 01, 2018 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 1,033 -- 21,212
Jun 01, 2018 Director Form 4 Other acquisition or disposition -- -- 3,864
Jun 01, 2018 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 1,033 -- 13,369
Jun 01, 2018 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 1,033 -- 1,999
Jun 01, 2018 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 1,033 -- 20,364
Jun 01, 2018 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 1,033 -- 2,363
Jun 01, 2018 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 1,033 -- 18,022
May 26, 2018 Director Form 4 Open market or private sale of non-derivative or derivative security 800 $75.85 14,884
May 17, 2018 Director Form 4 Bona fide gift 253 -- 12,734
May 07, 2018 Director Form 4 Bona fide gift 382 -- 12,987
Apr 26, 2018 Director Form 4 Open market or private sale of non-derivative or derivative security 800 $75.16 15,684
Mar 26, 2018 Director Form 4 Open market or private sale of non-derivative or derivative security 800 $70.51 16,484
Mar 08, 2018 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 466 -- 966
Feb 27, 2018 Director Form 4 Bona fide gift 439 -- 20,116
Feb 16, 2018 Director, Chairman, President & CEO Form 4/A Other acquisition or disposition -- -- 46
Feb 02, 2018 Sr VP & CFO Form 4 Other acquisition or disposition -- -- 6,842
Feb 02, 2018 SrVP, Chief Strat Off. Form 4 Other acquisition or disposition -- -- 8,992
Feb 02, 2018 VP & Corporate Treasurer Form 4 Other acquisition or disposition -- -- 704
Feb 02, 2018 Director, Chairman, President & CEO Form 4 Other acquisition or disposition -- -- 112
Feb 02, 2018 VP, Controller, Ch. Acct. Off. Form 4 Other acquisition or disposition -- -- 2,832
Feb 02, 2018 Sr VP ALLETE - External Affair Form 4 Other acquisition or disposition -- -- 751
Feb 02, 2018 Sr. VP; Pres. Reg. Operations Form 4 Other acquisition or disposition -- -- 3,789
Feb 02, 2018 Sr VP, Sec, Ch. Legal & Admin, Ten Percent Owner Form 4 Other acquisition or disposition -- -- 4,502
Feb 01, 2018 Sr VP & CFO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 1,576 -- 7,979
Feb 01, 2018 Sr VP & CFO Form 4 Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 697 $70.56 7,282

Stock transaction information provided by EDGAR Online. ALLETE makes no representation or warranty with respect to any of the information contained herein, takes no responsibility for supplementing, updating or correcting any such information and shall have no liability with respect to any such information. This listing does not include derivatives, such as stock option grants or shares purchased through an employee stock purchase plan. For recent transactions, including derivative transactions, see our Section 16 SEC filings page.