RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

Impax Asset Management Group plc's Holding History (CIK: 0001749768)

Note: Option positions (PUT/CALL) are excluded.

Q4 2021

Shares 1,087,819 Value ($000) $6,581 Avg Close $5.93 Range $5.11 - $6.46

Q3 2021

Shares 1,087,819 Value ($000) $6,505 Avg Close $6.75 Range $5.80 - $7.78

Q2 2021

Shares 1,683,111 Value ($000) $12,808 Avg Close $7.65 Range $6.29 - $8.72

Q1 2021

Shares 1,000,000 Value ($000) $8,210 Avg Close $8.28 Range $6.22 - $11.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	1,087,819	$6,581	$5.93	$5.11 - $6.46
Q3 2021	1,087,819	$6,505	$6.75	$5.80 - $7.78
Q2 2021	1,683,111	$12,808	$7.65	$6.29 - $8.72
Q1 2021	1,000,000	$8,210	$8.28	$6.22 - $11.25