Document:

Letter Agreement

 Exhibit 10.4 
 Novoste Corporation 
 4350 International Boulevard 
 Norcross, Georgia 30093 
 March 9, 2006 
 Best Vascular, Inc. 
 Best Medical International, Inc. 
 7643 Fullerton Road 
 Springfield, Virginia 22153 
 Ladies and Gentlemen: 
 Reference is hereby made to the Amended and Restated Asset Purchase Agreement, dated as of October 12, 2005, as amended pursuant to Amendment No. 1 to Amended and Restated Asset Purchase Agreement dated as of November 30,
2005 and as further amended pursuant to Amendment No. 2 to Amended and Restated Asset Purchase Agreement dated as of January 27, 2006 (the “Amended and Restated Asset Purchase Agreement”), by and among Novoste Corporation
(“Novoste”), Best Vascular, Inc. (“Best Vascular”) and Best Medical International, Inc. (“Best Medical”). 
 Best Medical hereby irrevocably and unconditionally guarantees the performance of Best Vascular’s obligations of Sections 1(a) through (d). Best Medical waives the condition to closing set forth in Section 6.1(c) of the Amended
and Restated Asset Purchase Agreement such that Section 6.1(c) shall be deemed terminated and of no force or effect. 

 In connection with the closing of the transactions contemplated by the Amended and Restated Asset
Purchase Agreement, Novoste and Best Vascular hereby agree as follows: 
 1. International Boulevard Premises. 
 (a) In connection with the International Boulevard Premises, Best Vascular: 
 (i) shall pay $63,951.09 to Novoste on the Closing Date in connection with the occupancy of a portion of the International Boulevard Premises by Best Vascular from the Closing Date until June 30, 2006;

 (ii) acknowledges receipt of a copy of the lease and all amendments thereto for the International Boulevard Premises (the
“Lease”) and acknowledges and confirms the provisions thereof; 
 (iii) shall maintain liability insurance in at least the amounts
required under the Lease, shall maintain insurance in amounts reasonably designed to insure the contents of the International Boulevard Premises and shall name Novoste as an additional insured under its liability insurance policies, all effective as
of the Closing Date;
 (iv) shall pay all utility vendors, including but not limited to those identified on Schedule 2.3(b) to
the Amended and Restated Asset Purchase Agreement, promptly for services related to the International Boulevard Premises incurred and arising after the Closing Date; 
 (v) shall cooperate with Novoste with respect to obtaining any appropriate consent from the landlord consistent with the requirements of the Lease for the International Boulevard Premises with respect to the occupancy
by Best Vascular of the International Boulevard Premises from the Closing Date until June 30, 2006; and 
 (vi) waives the condition to
closing set forth in Section 6.1(c) of the Amended and Restated Asset Purchase Agreement such that Section 6.1(c) shall be deemed terminated and of no force or effect. 
 (b) Employees of Best Vascular shall be permitted to occupy a portion of the International Boulevard Premises from the Closing Date through June 30,
2006, and Best Vascular accepts the International Boulevard Premises in “as is” condition. Best Vascular confirms and agrees that employees of Novoste shall be permitted to occupy a portion of the International Boulevard Premises from
the Closing Date through May 31, 2006. Space shall be allocated as set forth in Schedule A attached hereto, and Novoste and Best Vascular shall cooperate with one another in connection with the occupancy and use of the International
Boulevard Premises. 
 (c) Best Vascular agrees to indemnify and hold harmless the Seller Indemnitees from and against any and all Damages
that are paid, suffered or 

 incurred by any of them in investigating, preparing, defending, acknowledging, satisfying or settling any claims or other
assertion of liability asserted against, imposed upon, or incurred or suffered by any of the Seller Indemnitees, directly or indirectly, to the extent the Damages result from or arise out of the occupancy of the International Boulevard Premises by
Best Vascular from and after the Closing Date. In connection with any such occupancy, Best Vascular shall occupy the International Boulevard Premises solely for uses permitted under the Lease and in compliance with the terms and conditions of the
Lease, applicable law and governmental authorities, shall keep the International Boulevard Premises in good order, shall not commit or permit waste or damage to such premises, shall not alter the premises, shall not use such premises for any
unlawful purpose or act, and shall comply with Novoste’s standard policies and procedures as made available to Best Vascular regarding access to and use of the International Boulevard Premises, including procedures for the security and health
and safety requirements of the International Boulevard Premises. Common or shared areas will be determined by the parties in good faith. Novoste shall have access to those areas occupied by Best Vascular at all reasonable times for inspection.
Nothing in this letter agreement shall obligate Novoste to supply any services, utilities, repairs or facilities which the landlord is required to provide or otherwise and Novoste shall have no obligation or liability whatsoever for failure of the
landlord or any other service provider. If for any reason Novoste is required to make expenditures or use its own funds on repairs, maintenance or any other matters relating to the occupancy of Best Vascular, Novoste shall be promptly and fully
reimbursed for same. Nothing in this letter agreement shall be deemed to grant to Best Vascular exclusive possession of any space, a leasehold or other property interest in any of the International Boulevard Premises, nor any exclusive right to
occupy or use them, or to transfer any title in the International Boulevard Premises to Best Vascular, and Best Vascular hereby expressly disclaims any such interest or title. 
 (d) If on or before May 11, 2006, Best Vascular has not entered into a new lease agreement with the landlord of the International Boulevard Premises
with respect to the lease of the International Boulevard Premises for periods effective immediately after June 30, 2006, Best Vascular confirms and agrees that Novoste may provide notice of termination of the Lease to the landlord, with the
effect that the Lease for the International Boulevard Premises will terminate effective June 30, 2006. 
 2. Computers and E-Mail;
Communications Systems; Confidential Information. 
 (a) For the period from and after the Closing Date and through May 31, 2006,
Novoste may continue to use the computer equipment identified on Schedule 2.1(d) to the Amended and Restated Asset Purchase Agreement and the software identified on Schedule 2.1(e) to the Amended and Restated Asset Purchase Agreement.
In connection with the usage of such computer equipment and software, 

 the parties confirm and agree to the matters set forth in Schedule B attached hereto. Such usage of the computer
equipment shall be provided to Novoste free of charge. In addition, Best Vascular confirms and agrees that Novoste shall be permitted to continue to use the domain name “Novoste.com” for purposes of sending and receiving e-mails after the
Closing Date through May 31, 2006. 
 (b) For the period from and after the Closing Date and through May 31, 2006, Novoste may
continue to use the telephones, telecopy machines, voicemail system, and other communications systems that are included in the Acquired Assets. In connection with the usage of such communications systems, the parties confirm and agree to the matters
set forth in Schedule B attached hereto. Such usage of the communications systems shall be provided to Novoste free of charge, except that Novoste shall reimburse Best Vascular for long distance telephone call charges attributable to
employees of Novoste after the Closing Date. In addition, in the event that Novoste uses any of Best Vascular’s vendor accounts such as Federal Express, United Postal Service or postage or other similar vendor accounts, Novoste shall reimburse
Best Vascular for the out-of-pocket expenses incurred as a result of Novoste’s use thereof. 
 (c) Novoste and Best Vascular shall
cooperate with one another in connection with the use of the computer equipment, software and communications systems by Novoste. Each party shall cooperate with one another and take all reasonable steps to ensure that Novoste does not have access to
confidential and proprietary information of Best Vascular and that Best Vascular and Best Medical do not have access to confidential and proprietary information of Novoste. 
 3. Websites. Upon the later of the Closing Date or the launch of the new website with respect to NOVT Corporation, Best Vascular shall direct the
URL corresponding to the NOVOSTE.COM domain name to a website that includes a prominent link to Novoste’s new website and the language “Information relating to NOVT Corporation, formerly Novoste Corporation, may be found here. NOVT
Corporation.com”. Novoste shall incorporate a link to Best Vascular’s website on NOVT Corporation’s new website upon launch of that website, which website shall be launched no later than May 31, 2006. 
 4. Miscellaneous. This letter agreement may not be assigned by any of the parties hereto without the prior written consent of the non-assigning
parties. This letter agreement may be executed in one or more counterparts, all of which shall be considered one and the same agreement and shall become effective when one or more counterparts have been signed by each of the parties and delivered to
the other parties, it being understood that all parties need not sign the same counterpart. The Section headings contained in this letter agreement are inserted for convenience only and shall not affect in any way the meaning or interpretation of
this letter agreement. Any notice provided under this letter agreement shall be transmitted in a manner consistent with the requirements of 

 Section 11.3 of the Amended and Restated Asset Purchase Agreement. The parties shall cooperate reasonably with each
other and their respective representatives in connection with any steps required to be taken as part of their respective obligations under this letter agreement. 
 5. Definitions. Capitalized terms not otherwise defined herein shall have the meaning set forth in the Amended and Restated Asset Purchase Agreement. 
 Kindly confirm that the foregoing correctly sets forth our agreement by signing the enclosed duplicate of this letter in the space provided and returning
it to the undersigned. 
  

			
	Very truly yours,
	
	NOVOSTE CORPORATION
		
	By:	 	 /s/ Alfred J. Novak

	Name:	 	Alfred J. Novak
	Title:	 	President and Chief Executive Officer

 AGREED: 
 BEST VASCULAR, INC. 
  

			
	By:	 	 /s/ Shawn R. Weingast

	Name:	 	Shawn R. Weingast
	Title:	 	General Counsel

 BEST MEDICAL INTERNATIONAL, INC. 
  

			
	By:	 	 /s/ Shawn R. Weingast

	Name:	 	Shawn R. Weingast
	Title:	 	General CounselEmployment Letter

 Exhibit 10.8 
 January 14, 2002 
 Vince Ciavardini 
 4 Honeysuckle Ln. 
 Broomall, PA 19008 
 Dear Vince, 
 Thank you for taking the time over the last two months to meet with us to discuss our Sunstone/UMB mutual fund opportunity. We enjoyed
your company and the opportunity of discussing how you might help advance our mutual fund servicing efforts. UMB Financial Corporation is a regional, multi-bank holding company, headquartered in Kansas City, Missouri with $7.5 billion in assets. UMB
offers a complete array of banking products and related financial services to both individual and business customers including employee benefit services, trust and wealth management products, cash management, financial counseling, investment
products and services, custody, brokerage services and commercial loans, to name a few. 
 Vince, UMB would like to extend the offer of Vice Chairman of UMB
Financial Corporation, President and Chief Executive Officer of a newly created mutual fund services division, which would consist of Sunstone and UMB’s Mutual Fund Cash Management and Custody services. Your base salary will be $280,000 and a
leased car. In addition to the base offer, you would receive a bonus of 5% of the pre-tax net profits of Sunstone. We will also include in this bonus pool bundled services sold to prospective clients. In addition, you would be eligible to receive up
to 3% of the pre-tax net profits of UMB’s Mutual Fund Cash Management and Custody services it UMB’s sole discretion based on your overall performance and the performance of those business functions. If your employment terminates during the
course of a given year, the applicable bonus pool would be calculated on a pro-rata basis. UMB’s standards and procedures and internal profitability reporting will determine pre-tax profits. You would not eligible to participate in any other
existing incentive program that may be offered to Sunstone or UMB personnel, as that would be duplicative. 
 You would be given full responsibility for the
newly created division and report directly to the CEO of UMB, R. Crosby Kemper III. You would be expected to have a sufficient presence in Kansas City and in Milwaukee, to enable you to provide direction and leadership to those who report to you and
to effectively manage the respective personnel and operations. 
 You would be eligible to participate in the annual award of UMBF qualified stock options
under the UMB stock option plan. Four weeks’ vacation is available to you during the first year with the first week allowable during the first six months and the remaining three after six months of employment. Thereafter, the use of your
vacation would follow UMB policies. Included in this offer is UMB’s executive relocation package with the major highlights attached and UMB’s standard benefits package. 
 No provision of this letter represents an employment contract in whole or in part, for any duration, between you and UMB or any of its subsidiaries. Rather, your employment would be at-will. Either you or UMB (or any
subsidiary) may terminate your employment at anytime with or without cause. Should you have any questions regarding what is outlined in this offer, please do not hesitate to call me at 816-860-7696 or email me at Lisa.zacharias@umb.com and I
will be happy to discuss them with you. 
 Kind Regards, 
  

					
	 /s/ Lisa Zacharias
	 		 	 /s/ Vince Ciavardini

	Lisa Zacharias	 		 	Vince Ciavardini
	 Senior Vice President
 Human Resources

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