Clearfield Inc. Watch

from 8-K 41 pages 1,200,000 Clearfield, Inc. Common Stock, Par Value $0.01 Underwriting Agreement

from 8-K 1 page Exhibit 1 to Form 8-K March 11, 2002 Securities and Exchange Commission 450 Fifth Street Nw Washington, D.C. 20549 Gentlemen: We Have Read Item 4 of Form 8-K Dated March 11, 2002 of Apa Optics, Inc. and Are in Agreement With the Statements Contained in the Second Paragraph Therein. We Have No Basis to Agree or Disagree With Other Statements of the Registrant Contained Therein. /S/ Ernst & Young Llp <page>

from S-3 ~10 pages Placement Agency Agreement

from DEF 14A 1 page 195678/1 2 Schedule 14a (Rule 14a-101) Information Required in Proxy Statement Schedule 14a Information Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant X Filed by a Party Other Than the Registrant Check the Appropriate Box: Preliminary Proxy Statement X Definitive Proxy Statement Definitive Additional Materials Soliciting Material Pursuant to Rule 14a-11(c) or Rule 14a-12 Apa Optics, Inc. (Name of Registrant as Specified in Its Charter) (Name of Person(s) Filing Proxy Statement, if Other Than the Registrant) Payment of Filing Fees (Check the Appropriate Box): X No Fee Required Fee Computed on Table Below Per Exchange Act Rules 14a- 6(i)(1) and 0-11. (1) Title of Each Class of Securities to Which Transaction Applies: (2) Aggregate Number of Securities to Which Transaction Applies: (3) Per Unit Price or Other Underlying Value of Transaction Computed Pursuant to Exchange Act Rule 0-11 (Set Forth the Amount on Which the Filing Fee Is Calculated and State How It Was Determined): (4) Proposed Maximum Aggregate Value of Transaction: (5) Total Fee Paid: Fee Paid Previously With Preliminary Materials Check Box if Any Part of the Fee Is Offset as Provided by Exchange Act Rule 0-11(a)(2) and Identify the Filing for Which the Offsetting Fee Was Paid Previously. Identify the Previous Filing by Registration Statement Number, or the Form or Schedule, and the Date of Filing. (1) Amount Previously Paid: (2) Form, Schedule or Registration Statement No.: (3) Filing Party: (4) Date Filed

from DEF 14A ~20 pages Underwriting agreement

from 10QSB ~5 pages Underwriting agreement

from DEF 14A 1 page 45897 -2- Schedule 14a (Rule 14a-101) Information Required in Proxy Statement Schedule 14a Information Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant Filed by a Party Other Than the Registrant Check the Appropriate Box: Preliminary Proxy Statement Definitive Proxy Statement Definitive Additional Materials Soliciting Material Pursuant to Rule 14a-11(c) or Rule 14a- 12 Apa Optics, Inc. (Name of Registrant as Specified in Its Charter) Anil K. Jain (Name of Person(s) Filing Proxy Statement) Payment of Filing Fees (Check the Appropriate Box): $125 Per Exchange Act Rule 0-11(c)(1)(ii), 14a- 6(i)(1), or 14a-6(j)(2). $500 Per Each Party to the Controversy Pursuant to Exchange Act Rule 14a-6(i)(3). Fee Computed on Table Below Per Exchange Act Rules 14a-6(i)(4) and 0-11. (1) Title of Each Class of Securities to Which Transaction Applies: (2) Aggregate Number of Securities to Which Transaction Applies: (3) Per Unit Price or Other Underlying Value of Transaction Computed Pursuant to Exchange Act Rule 0-11:1 (4) Proposed Maximum Aggregate Value of Transaction: 1set Forth the Amount on Which the Filing Fee Is Calculated and State How It Was Determined. Check Box if Any Part of the Fee Is Offset as Provided by Exchange Act Rule 0-11(a)(2) and Identify the Filing for Which the Offsetting Fee Was Paid Previously. Identify the Previous Filing by Registration Statement Number or the Form or Schedule and the Date of Filing. (1) Amount Previously Paid: (2) Form Schedule or Registration Statement No: (3) Filing Party: (4) Date Filed

from DEF 14A ~10 pages Underwriting agreement