AVEXIS INC

CUSIP: 05366U100 Class: Common equity shares

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q1 2018
Shares 755,798 Value ($000) $93,402 Avg Close — Range —
Q4 2017
Shares 755,798 Value ($000) $83,644 Avg Close — Range —
Q3 2017
Shares 1,547,386 Value ($000) $149,679 Avg Close — Range —
Q2 2017
Shares 2,308,130 Value ($000) $189,636 Avg Close — Range —
Q1 2017
Shares 2,236,701 Value ($000) $170,056 Avg Close — Range —
Q4 2016
Shares 2,236,701 Value ($000) $106,758 Avg Close — Range —
Q3 2016
Shares 2,236,701 Value ($000) $92,174 Avg Close — Range —
Q2 2016
Shares 2,236,701 Value ($000) $85,039 Avg Close — Range —
Q1 2016
Shares 2,236,701 Value ($000) $60,928 Avg Close — Range —