RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

BlueCrest Capital Management Ltd's Holding History (CIK: 0001610880)

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

Q4 2018

Shares 17,503 Value ($000) $84 Avg Close $5.80 Range $4.62 - $7.20

Q3 2018

Shares 17,503 Value ($000) $120 Avg Close $7.12 Range $6.36 - $7.89

Q2 2018

Shares 27,391 Value ($000) $195 Avg Close $5.86 Range $4.97 - $7.28

Q1 2018

Shares 180,325 Value ($000) $920 Avg Close $6.47 Range $5.01 - $7.93

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	17,503	$84	$5.80	$4.62 - $7.20
Q3 2018	17,503	$120	$7.12	$6.36 - $7.89
Q2 2018	27,391	$195	$5.86	$4.97 - $7.28
Q1 2018	180,325	$920	$6.47	$5.01 - $7.93