AVEXIS INC

CUSIP: 05366U100 Class: Common equity shares

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q1 2018
Shares 410,178 Value ($000) $50,690 Avg Close — Range —
Q4 2017
Shares 442,016 Value ($000) $48,918 Avg Close — Range —
Q3 2017
Shares 595,689 Value ($000) $57,621 Avg Close — Range —
Q2 2017
Shares 775,505 Value ($000) $63,715 Avg Close — Range —
Q1 2017
Shares 1,000,466 Value ($000) $76,065 Avg Close — Range —
Q4 2016
Shares 1,051,950 Value ($000) $50,210 Avg Close — Range —
Q3 2016
Shares 1,392,310 Value ($000) $57,377 Avg Close — Range —
Q2 2016
Shares 1,246,720 Value ($000) $45,591 Avg Close — Range —
Q1 2016
Shares 1,253,920 Value ($000) $32,861 Avg Close — Range —