TYLER TECHNOLOGIES INC — Director's Dealing 2010

May 20, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TYLER TECHNOLOGIES INC (TYL)
CIK: 0000860731
Period of Report: 2010-05-20

Reporting Person: MARR JOHN S JR (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-20	Tyler Technologies Common Stock	P	300000	$4.58	Acquired	1264369	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-05-20	Option	$4.58	X	300000	Disposed	2013-07-03	Tyler Technologies Common Stock (300000)	Direct

Footnotes

F1: Acquired through the exercise of stock options with an exercise price of $4.58 per share.

F2: Includes 192,277 shares held by a partnership in which Mr. Marr is the general partner and deemed to have sole voting and investment power.