To our valued customer,

Today, SirsiDynix is announcing a new investment partner for our company. This is an exciting milestone for SirsiDynix, and I wanted to personally share this news with you. Our new investment partner, Vista Equity Partners, is an excellent match with SirsiDynix. Vista is a leading private equity firm focused solely on investing in software and technology-enabled businesses.

A few key points regarding this new SirsiDynix-Vista partnership:

• Vista seeks to partner with leading software companies who offer mission-critical solutions to their customers.
• Vista takes a longer-term view toward investing and is focused on working with management to build the best companies in each sector in which it invests.
• Vista is very impressed with our products and services, employees, large customer base, and the opportunities that lie ahead for SirsiDynix.

Vista and the management team are very excited to continue building SirsiDynix into a world-class software organization. All of us recognize that it is critical for a software company to continue to innovate and provide world-class customer service. We plan to continue SirsiDynix’s track record of providing the best software solutions and services that address our customers’ needs. The partnership validates the contributions libraries and SirsiDynix make to our communities.

We will issue a press release on this announcement next week.

As always, I welcome your feedback. At SirsiDynix, we appreciate your business and your dedication to bringing knowledge to life.

Regards,

Patrick Sommers

Chief Executive Officer

SirsiDynix

To our valued customer,

Today, SirsiDynix is announcing a new investment partner for our company. This is an exciting milestone for SirsiDynix, and I wanted to personally share this news with you. Our new investment partner, Vista Equity Partners, is an excellent match with SirsiDynix. Vista is a leading private equity firm focused solely on investing in software and technology-enabled businesses.

A few key points regarding this new SirsiDynix-Vista partnership:

• Vista seeks to partner with leading software companies who offer mission-critical solutions to their customers.
• Vista takes a longer-term view toward investing and is focused on working with management to build the best companies in each sector in which it invests.
• Vista is very impressed with our products and services, employees, large customer base, and the opportunities that lie ahead for SirsiDynix.

Vista and the management team are very excited to continue building SirsiDynix into a world-class software organization. All of us recognize that it is critical for a software company to continue to innovate and provide world-class customer service. We plan to continue SirsiDynix’s track record of providing the best software solutions and services that address our customers’ needs. The partnership validates the contributions libraries and SirsiDynix make to our communities.

We will issue a press release on this announcement next week.

As always, I welcome your feedback. At SirsiDynix, we appreciate your business and your dedication to bringing knowledge to life.

Regards,

Patrick Sommers

Chief Executive Officer

SirsiDynix