BLACKBAUD INC

Ticker: BLKB CUSIP: 09227Q100 Class: Common Stock

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q1 2021

Shares 7,744 Value ($000) $550 Avg Close $69.00 Range $56.00 - $80.00

Q4 2019

Shares 2,814 Value ($000) $224 Avg Close $83.50 Range $76.83 - $94.64

Q3 2018

Shares 17 Value ($000) $2 Avg Close $103.38 Range $93.84 - $119.11

Q2 2018

Shares 17 Value ($000) $2 Avg Close $102.01 Range $94.19 - $110.45

Q1 2018

Shares 17 Value ($000) $2 Avg Close $98.52 Range $86.64 - $114.74

Q4 2017

Shares 7,770 Value ($000) $734 Avg Close $94.95 Range $85.61 - $103.11

Q4 2013

Shares 62 Value ($000) $2 Avg Close $35.39 Range $32.17 - $40.10

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	7,744	$550	$69.00	$56.00 - $80.00
Q4 2019	2,814	$224	$83.50	$76.83 - $94.64
Q3 2018	17	$2	$103.38	$93.84 - $119.11
Q2 2018	17	$2	$102.01	$94.19 - $110.45
Q1 2018	17	$2	$98.52	$86.64 - $114.74
Q4 2017	7,770	$734	$94.95	$85.61 - $103.11
Q4 2013	62	$2	$35.39	$32.17 - $40.10