WEC · Wec Energy Group, Inc. · Insider Trading

One-for-one.

These phantom stock units were acquired pursuant to a deferral of director fees in an acquisition exempt from Section 16(b) pursuant to Rule 16b-3(d).

These phantom stock units were accrued under the WEC Energy Group, Inc. Director's Deferred Compensation Plan (DDCP) and are to be settled in accordance with the terms of the plan.

Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the DDCP in transactions exempt from Section 16 pursuant to Rule 16a-11.

One-for-one.

These phantom stock units were acquired pursuant to a deferral of director fees in an acquisition exempt from Section 16(b) pursuant to Rule 16b-3(d).

These phantom stock units were accrued under the WEC Energy Group, Inc. Director's Deferred Compensation Plan (DDCP) and are to be settled in accordance with the terms of the plan.

Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the DDCP in transactions exempt from Section 16 pursuant to Rule 16a-11.

One-for-one.

These phantom stock units were acquired pursuant to a deferral of director fees in an acquisition exempt from Section 16(b) pursuant to Rule 16b-3(d).

These phantom stock units were accrued under the WEC Energy Group, Inc. Director's Deferred Compensation Plan (DDCP) and are to be settled in accordance with the terms of the plan.

Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the DDCP in transactions exempt from Section 16 pursuant to Rule 16a-11.

Includes shares acquired under the WEC Energy Group Employee Retirement Savings Plan (ERSP) in transactions exempt from Section 16(b) pursuant to Rule 16b-3(c) and exempt from reporting pursuant to Rule 16a-3(f)(1)(i)(B).

Includes shares acquired pursuant to dividend reinvestment in transactions exempt from Section 16 pursuant to Rule 16a-11.

One-for-one.

These phantom stock units were acquired pursuant to a deferral of director fees in an acquisition exempt from Section 16(b) pursuant to Rule 16b-3(d).

These phantom stock units were accrued under the WEC Energy Group, Inc. Director's Deferred Compensation Plan (DDCP) and are to be settled in accordance with the terms of the plan.

Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the DDCP in transactions exempt from Section 16 pursuant to Rule 16a-11.

One-for-one.

These phantom stock units were acquired pursuant to a deferral of director fees in an acquisition exempt from Section 16(b) pursuant to Rule 16b-3(d).

These phantom stock units were accrued under the WEC Energy Group, Inc. Director's Deferred Compensation Plan (DDCP) and are to be settled in accordance with the terms of the plan.

Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the DDCP in transactions exempt from Section 16 pursuant to Rule 16a-11.

One-for-one.

These phantom stock units were acquired pursuant to a deferral of director fees in an acquisition exempt from Section 16(b) pursuant to Rule 16b-3(d).

These phantom stock units were accrued under the WEC Energy Group, Inc. Director's Deferred Compensation Plan (DDCP) and are to be settled in accordance with the terms of the plan.

Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the DDCP in transactions exempt from Section 16 pursuant to Rule 16a-11.

This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $111.10 to $111.195, inclusive. The reporting person undertakes to provide to WEC, any security holder of WEC, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within such range.

This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.80 to $110.88, inclusive. The reporting person undertakes to provide to WEC Energy Group, Inc. (WEC), any security holder of WEC, or the staff of the Securities and Exchange Commission (SEC), upon request, full information regarding the number of shares sold at each separate price within such range.

This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.89 to $110.94, inclusive. The reporting person undertakes to provide to WEC , any security holder of WEC, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within such range.

One-for-one.

The phantom stock units were accrued under the WEC Energy Group, Inc. Executive Deferred Compensation Plan (EDCP) and are to be settled in accordance with the terms of the plan.

Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the EDCP in transactions exempt from Section 16 pursuant to Rule 16a-11.

One-for-one.

These phantom stock units were acquired pursuant to a deferral of director fees in an acquisition exempt from Section 16(b) pursuant to Rule 16b-3(d).

These phantom stock units were accrued under the WEC Energy Group, Inc. Director's Deferred Compensation Plan (DDCP) and are to be settled in accordance with the terms of the plan.

Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the DDCP in transactions exempt from Section 16 pursuant to Rule 16a-11.

One-for-one.

These phantom stock units were acquired pursuant to a deferral of director fees in an acquisition exempt from Section 16(b) pursuant to Rule 16b-3(d).

These phantom stock units were accrued under the WEC Energy Group, Inc. Director's Deferred Compensation Plan (DDCP) and are to be settled in accordance with the terms of the plan.

Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the DDCP in transactions exempt from Section 16 pursuant to Rule 16a-11.

One-for-one.

These phantom stock units were acquired pursuant to a deferral of director fees in an acquisition exempt from Section 16(b) pursuant to Rule 16b-3(d).

These phantom stock units were accrued under the WEC Energy Group, Inc. Director's Deferred Compensation Plan (DDCP) and are to be settled in accordance with the terms of the plan.

Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the DDCP in transactions exempt from Section 16 pursuant to Rule 16a-11.

One-for-one.

These phantom stock units were awarded to Mr. Hooper pursuant to the terms of his employment agreement.

These phantom stock units were accrued under the WEC Energy Group, Inc. Executive Deferred Compensation Plan (EDCP) and are to be settled in accordance with the terms of the plan.

Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the EDCP in transactions exempt from Section 16 pursuant to Rule 16a-11.

Includes shares acquired pursuant to dividend reinvestment in transactions exempt from Section 16 pursuant to Rule 16a-11.

One-for-one.

These phantom stock units were accrued under the WEC Energy Group, Inc. Nonqualified Retirement Savings Plan (NQRSP). Phantom stock units accrued under the NQRSP are settled following the reporting person's retirement or other termination of employment.

Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the NQRSP in transactions exempt from Section 16 pursuant to Rule 16a-11.

Includes shares acquired pursuant to dividend reinvestment in transactions exempt from Section 16 pursuant to Rule 16a-11.

This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.3500 to $115.4400, inclusive. The reporting person undertakes to provide to WEC Energy Group (WEC), any security holder of WEC, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.4600 to $115.4800, inclusive. The reporting person undertakes to provide to WEC Energy Group (WEC), any security holder of WEC, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.4900 to $115.5203, inclusive. The reporting person undertakes to provide to WEC Energy Group (WEC), any security holder of WEC, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.4000 to $115.4401, inclusive. The reporting person undertakes to provide to WEC Energy Group (WEC), any security holder of WEC, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.47 to $115.5450, inclusive. The reporting person undertakes to provide to WEC Energy Group (WEC), any security holder of WEC, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Includes shares acquired pursuant to a dividend reinvestment feature of WEC Energy Group's ("WEC") Stock Plus Investment Plan in transactions exempt from Section 16 pursuant to Rule 16a-11.

Options vest 100% on the date indicated.

This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.5450 to $110.9300, inclusive. The reporting person undertakes to provide to WEC, any security holder of WEC, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Includes shares acquired pursuant to a dividend reinvestment feature of WEC Energy Group's ("WEC") Stock Plus Investment Plan in transactions exempt from Section 16 pursuant to Rule 16a-11.

One-for-one.

These phantom stock units were acquired pursuant to a deferral of director fees in an acquisition exempt from Section 16(b) pursuant to Rule 16b-3(d).

These phantom stock units were accrued under the WEC Energy Group, Inc. Director's Deferred Compensation Plan (DDCP) and are to be settled in accordance with the terms of the plan.

Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the DDCP in transactions exempt from Section 16 pursuant to Rule 16a-11.

One-for-one.

These phantom stock units were acquired pursuant to a deferral of director fees in an acquisition exempt from Section 16(b) pursuant to Rule 16b-3(d).

These phantom stock units were accrued under the WEC Energy Group, Inc. Director's Deferred Compensation Plan (DDCP) and are to be settled in accordance with the terms of the plan.

Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the DDCP in transactions exempt from Section 16 pursuant to Rule 16a-11.

One-for-one.

These phantom stock units were acquired pursuant to a deferral of director fees in an acquisition exempt from Section 16(b) pursuant to Rule 16b-3(d).

These phantom stock units were accrued under the WEC Energy Group, Inc. Director's Deferred Compensation Plan (DDCP) and are to be settled in accordance with the terms of the plan.

Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the DDCP in transactions exempt from Section 16 pursuant to Rule 16a-11.

Includes shares acquired pursuant to a dividend reinvestment feature of WEC Energy Group's ("WEC") Stock Plus Investment Plan in transactions exempt from Section 16 pursuant to Rule 16a-11.