RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

Charter Oak Capital Management, LLC's Holding History (CIK: 0001810720)

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

Q2 2022

Shares 500 Value ($000) $2 Avg Close $3.02 Range $2.57 - $3.65

Q1 2022

Shares 500 Value ($000) $2 Avg Close $4.10 Range $2.74 - $6.42

Q4 2021

Shares 500 Value ($000) $3 Avg Close $5.93 Range $5.11 - $6.46

Q3 2021

Shares 500 Value ($000) $3 Avg Close $6.75 Range $5.80 - $7.78

Q2 2021

Shares 500 Value ($000) $4 Avg Close $7.65 Range $6.29 - $8.72

Q1 2021

Shares 500 Value ($000) $4 Avg Close $8.28 Range $6.22 - $11.25

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2022	500	$2	$3.02	$2.57 - $3.65
Q1 2022	500	$2	$4.10	$2.74 - $6.42
Q4 2021	500	$3	$5.93	$5.11 - $6.46
Q3 2021	500	$3	$6.75	$5.80 - $7.78
Q2 2021	500	$4	$7.65	$6.29 - $8.72
Q1 2021	500	$4	$8.28	$6.22 - $11.25