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Treasury Center - Merger  

As a Business Online Banking user at Lone Star State Bank, your business will be converting to Prosperity Bank's Treasury Center Online Banking Treasury Center which is designed for your business cash management needs.

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Banking Made Easy

At Prosperity Bank, we know it takes time and effort to run a business, and like Lone Star State Bank, our goal is to help you run your business finances efficiently. Customers like you are the lifeblood of our bank. That’s why we will do everything we can to ensure a smooth transition for your business during our merger.

Below you will find important information pertaining to your current products and services, how to best prepare for the conversion, important reminders with key highlights as well as a detailed FAQ, and important dates and cut-off times.

Some Lone Star customers can expect to receive communications via mail and email (ContactUs@ProsperityBankUSA.com) surrounding a number of changes.

Thank you for trusting us with your business. We look forward to serving you as Prosperity Bank.

Treasury Center Guide

Treasury Center Online Banking

Introducing Treasury Center - These Treasury Center videos and click-thru demos will help you get familiarized with Prosperity's Treasury Center. For any questions please call call 1-855-888-2242, treasurymanagement.support@prosperitybankusa.com

Treasury Center Video

Positive Pay

Protect against fraud by utilizing Prosperity Bank’s Positive Pay service to electronically monitor check or ACH transactions presented for payment to your business checking account. Validates the checks presented to your account for payment prior to processing by automatically matching the items against your business check-issued files. Choose Prosperity’s Check Positive Pay service, ACH Positive Pay, or both. Payee Match is a feature of Check Positive Pay. Now Available: Prosperity offers mobile access to decision exception items. Please view the video to learn more about Prosperity Bank's Positive Pay solution.

Secure Browser Installation Guides

Secure Browser MacOS Installation GuideSecure Browser Installation Guide for MAC Users

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Secure Browser Windows Installation GuideSecure Browser Installation Guide for Windows Users

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Treasury Center Guides
 

Positive Pay Quick Reference

Positive Pay is an electronic fraud detection service that can be used with both check and ACH transactions.

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Treasury Center Navigation

Treasury Center is designed for your business cash management needs and provides quick access to your Prosperity accounts and balances.

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Treasury Center User Administration

This guide is focused for Administrators who will be the primary administrator(s) for
your company.

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Treasury Center Payments Training

Prosperity Bank’s Treasury Center online banking solution provides many options for your company to
efficiently and effectively manage electronic payments.

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Important Merger Dates

With the merger of Lone Star State Bank and Prosperity Bank, there will be many important dates to keep in mind. Please see the table below for more information and be sure to check back regularly for new updates.

 

Merger Schedule
Secure Browser Friday, October 25th All Day- To complete the Secure Browser installation, you will receive an email link on October 25 with your Activation Key. This Activation Key is to be used on Monday, October 28 to complete your Secure browser installation.
Business Online Banking Friday, October 25th 4:00 P.M.- Prior to Oct 25: You will need to download and save information you would like to retain past conversion. You will also need to complete the installation of Prosperity's Secure Browser.
Business Mobile Banking Friday, October 25th 4:00 P.M.- Download the orange Prosperity Business and Treasury app from the app store. Face ID may be enabled for added convenience.
ACH Thursday, October 24th 4:00 P.M.- Save and download recurring information as history will not convert. To ensure your ACH templates convert, please confirm none of your payees are placed on hold. Otherwise, we cannot guarantee your ACH templates will transfer.
Bill Pay Friday, October 25th 4:00 P.M.- We recommend that all Bill Pay customers save a copy of payees.
Wires Friday, October 25th 3:00 P.M.- Save and download any recurring information as history will not convert and activity will need to be reestablished in Treasury Center.
Positive Pay Monday, October 28th All Day- It is recommended you save a copy of your Check Issue files.
RDC Friday, October 25th 4:00 P.M.- An email providing the new URL along with instructions for changing the passwords and other details will be sent to each RDC user prior to conversion.

Processing Deadlines

All cut-off times are Central Standard Time.

ACH (Monday - Friday)
Standard 6:30 P.M.
Same Day 3:00 P.M.
Account Transfers (Monday - Friday)
  8:00 P.M.
Online Wires (Monday - Friday)
Domestic 5:00 P.M.
International (USD) 5:00 P.M.
FX (Foreign Currency) 4:30 P.M.
Positive Pay (Monday - Friday)
Exception Decisions 12:00 P.M.
Mobile Deposit (Monday - Friday)
  6:00 P.M.
Remote Deposit Capture (Monday - Friday)
  6:00 P.M.

 

Product Training Descriptions

Positive Pay
1 Hour – 2 Sessions Designed for existing Positive Pay Users. Learn how to utilize Prosperity Bank’s positive pay solution, and how to access to review and decision exceptions.
Administration
1 Hour – 2 Sessions Designed for Company Administrators. Learn how to setup Users in Treasury Center and assign their services, authority access levels and limits.
ACH / Wire Payments
1 Hour – 2 Sessions Designed for Users originating ACH transactions or online Wire Transfers.
Navigation
1 Hour – 3 Sessions Designed for all Users to prepare for the new system. Learn about Prosperity Bank’s Treasury Center online banking and receive login and navigation tips.

 

Treasury Training Webinars

Positive Pay
Friday, October 18, 2024 2:00 PM | (UTC-05:00) Central Time (US & Canada)

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Thursday, October 24, 2024 10:00 AM | (UTC-05:00) Central Time (US & Canada)

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Administration
Thursday, October 17, 2024 10:00 AM | (UTC-05:00) Central Time (US & Canada)

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Wednesday, October 23, 2024 10:00 AM | (UTC-05:00) Central Time (US & Canada)

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ACH / Wire Payments
Wednesday, October 16, 2024 2:00 PM | (UTC-05:00) Central Time (US & Canada)

Register Now
Tuesday, October 22, 2024 10:00 AM | (UTC-05:00) Central Time (US & Canada)

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Navigation
Tuesday, October 15, 2024 10:00 AM | (UTC-05:00) Central Time (US & Canada)

Register Now
Monday, October 21, 2024 10:00 AM | (UTC-05:00) Central Time (US & Canada)

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Friday, October 25, 2024 10:00 AM | (UTC-05:00) Central Time (US & Canada)

Register Now

Contact Our Treasury Experts

For questions regarding your Treasury Management Services, please call 1-855-888-2242 or email us at treasurymanagement.support@prosperitybankusa.com.

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