13G Filing: Viking Global and aTyr Pharma Inc (LIFE)

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Page 11 of 14 – SEC Filing

Schedule 13G PAGE 11 of 14

CUSIP No. 002120103

B. Opportunities GP
(a) Amount beneficially owned: 2,932,229
(b) Percent of class: 9.5%
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote
0
(ii) shared power to vote or to direct the vote
2,932,229
(iii) sole power to dispose or to direct the disposition
of 0
(iv) shared power to dispose or to direct the disposition
of 2,932,229

Opportunities GP serves as the sole member of Opportunities
Portfolio GP and has the authority to dispose of and vote the
shares of Common Stock controlled by Opportunities Portfolio GP,
which consists of the shares of Common Stock directly held by
Opportunities Fund. Opportunities GP does not directly own
any shares of Common Stock.

Based on Rule 13d-3 of the Act, Opportunities GP may be
deemed to beneficially own the shares of Common Stock
controlled by Opportunities Portfolio GP, which consists of
the shares of Common Stock directly held by Opportunities Fund.

Opportunities GP beneficially owns 2,932,229 shares of Common Stock
consisting of (i) 1,777,784 shares of Common Stock directly
and beneficially owned by Opportunities Fund and
(ii) 1,154,445 shares of Common Stock underlying the Preferred Stock
directly and beneficially owned by Opportunities Fund.

C. Opportunities Portfolio GP
(a) Amount beneficially owned: 2,932,229
(b) Percent of class: 9.5%
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote
0
(ii) shared power to vote or to direct the vote
2,932,229
(iii) sole power to dispose or to direct the disposition
of 0
(iv) shared power to dispose or to direct the disposition
of 2,932,229

Opportunities Portfolio GP serves as the general partner of
Opportunities Fund and has the authority to dispose of and vote
the shares of Common Stock directly owned by Opportunities Fund.
Opportunities Portfolio GP does not directly own any shares of
Common Stock.

Based on Rule 13d-3 of the Act, Opportunities Portfolio GP
may be deemed to beneficially own the shares of Common Stock
directly held by Opportunities Fund.

Opportunities Portfolio GP beneficially owns 2,932,229 shares
of Common Stock consisting of (i) 1,777,784 shares of Common Stock
directly and beneficially owned by Opportunities Fund and
(ii) 1,154,445 shares of Common Stock underlying the Preferred Stock
directly and beneficially owned by Opportunities Fund.

D. Opportunities Fund
(a) Amount beneficially owned: 2,932,229
(b) Percent of class: 9.5%
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote
0
(ii) shared power to vote or to direct the vote
2,932,229
(iii) sole power to dispose or to direct the disposition
of 0
(iv) shared power to dispose or to direct the disposition
of 2,932,229

Opportunities Fund has the authority to dispose of and vote the
shares of Common Stock directly owned by it, which power may
be exercised by its general partner, Opportunities Portfolio GP,
and by VGI, an affiliate of Opportunities Portfolio GP, which provides
managerial services to Opportunities Fund. Viking Global Opportunities LP
(a Delaware limited partnership) and Viking Global Opportunities III LP
(a Cayman Islands exempted limited partnership), through its investment
in Viking Global Opportunities Intermediate LP (a Cayman Islands
exempted limited partnership), invest substantially all of their
assets in Viking Global Opportunities Master LP (a Cayman Islands
exempted limited partnership), which in turn invests through
Opportunities Fund.

Opportunities Fund directly and beneficially owns 2,932,229 shares
of Common Stock consisting of (i) 1,777,784 shares of Common Stock
and (ii) 1,154,445 shares of Common Stock underlying the Preferred Stock.

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