RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

Paloma Partners Management Co's Holding History (CIK: 0001103882)

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

Q4 2020

Shares 13,471 Value ($000) $88 Avg Close $5.28 Range $3.62 - $7.49

Q4 2019

Shares 47,214 Value ($000) $146 Avg Close $3.98 Range $2.44 - $5.92

Q3 2019

Shares 16,492 Value ($000) $96 Avg Close $5.25 Range $4.79 - $5.93

Q1 2018

Shares 43,878 Value ($000) $223 Avg Close $6.47 Range $5.01 - $7.93

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	13,471	$88	$5.28	$3.62 - $7.49
Q4 2019	47,214	$146	$3.98	$2.44 - $5.92
Q3 2019	16,492	$96	$5.25	$4.79 - $5.93
Q1 2018	43,878	$223	$6.47	$5.01 - $7.93