SLACK TECHNOLOGIES INC

CUSIP: 83088V102 Class: COM CL A

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2020
Shares 52,023 Value ($000) $2,197 Avg Close — Range —
Q2 2020
Shares 131,602 Value ($000) $4,092 Avg Close — Range —
Q1 2020
Shares 40,251 Value ($000) $1,080 Avg Close — Range —
Q4 2019
Shares 66,426 Value ($000) $1,493 Avg Close — Range —
Q2 2019
Shares 120,706 Value ($000) $4,526 Avg Close — Range —