TYLER TECHNOLOGIES INC — Director's Dealing 2010

May 6, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TYLER TECHNOLOGIES INC (TYL)
CIK: 0000860731
Period of Report: 2010-05-04

Reporting Person: BROWN BROTHERS HARRIMAN & CO (10% Owner)
Reporting Person: 1818 Master Partners, Ltd. (10% Owner)
Reporting Person: Hartch Timothy E. (10% Owner)
Reporting Person: Witmer Richard H. (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-04	Common Stock	P	5237	$16.99	Acquired	3540250	Indirect

Footnotes

F1: All shares reported on this Form 4 are held by 1818 Master Partners, Ltd. (the "Fund") on behalf of investors in the Fund.
Brown Brothers Harriman & Co. ("BBH&Co."), which holds the voting interest (management shares) in the Fund, has designated
Richard H. Witmer and Timothy E. Hartch, or either of them, as the sole and exclusive persons at BBH&Co. having voting power
(including the power to vote or to direct the vote) and investment power (including the power to dispose or to direct the
disposition) with respect to all investments of the Fund. Each reporting person disclaims beneficial ownership of the
reported securities except to the extent of its or his pecuniary interest therein.