CERTIFICATIONS


I, Peter E. Sundman, certify that:

1.    I have reviewed this report on Form N-CSR of Neuberger Berman Income
Opportunity Fund Inc. ("Registrant");

2.    Based on my knowledge, this report does not contain any untrue statement
of a material fact or omit to state a material fact necessary to make the
statements made, in light of the circumstances under which such statements were
made, not misleading with respect to the period covered by this report;

3.    Based  on  my  knowledge,  the  financial  statements, and other financial
information included in this report, fairly present in all material respects the
financial condition, results of operations, changes  in  net  assets,  and  cash
flows  (if  the financial statements are required to include a statement of cash
flows) of the Registrant as of, and for, the periods presented in this report;

4.    The Registrant's  other  certifying  officers  and  I  are responsible for
establishing and maintaining disclosure controls and procedures  (as  defined in
rule  30a-3(c)  under  the  Investment Company Act of 1940) and internal control
over financial reporting (as  defined  in  Rule  30a-3(d)  under  the Investment
Company Act of 1940) for the Registrant and have:

a)    designed   such   disclosure  controls  and  procedures,  or  caused  such
disclosure controls and procedures  to  be  designed  under  our supervision, to
ensure  that  material  information  relating  to the Registrant, including  its
consolidated subsidiaries, is made known to us by  others within those entities,
particularly during the period in which this report is being prepared;

b)    designed such internal control over financial  reporting,  or  caused such
internal  control  over financial reporting to be designed under our supervision
to provide reasonable assurance regarding the reliability of financial reporting
and the preparation  of financial statements for external purposes in accordance
with generally accepted accounting principles;

c)    evaluated the effectiveness  of  the  Registrant's disclosure controls and
procedures and presented in this report our conclusions  about the effectiveness
of the disclosure controls and procedures, as of a date within  90 days prior to
the filing date of this report based on such evaluation; and

d)    disclosed  in this report any change in the Registrant's internal  control
over financial reporting  that  occurred during the second fiscal quarter of the
period covered by this report that  has  materially  affected,  or is reasonably
likely  to  materially affect, the Registrant's internal control over  financial
reporting; and

5.    The Registrant's  other  certifying  officers  and I have disclosed to the
Registrant's  auditors  and  the  audit committee of the Registrant's  board  of
directors (or persons performing the equivalent functions):

a)    all significant deficiencies  and  material  weaknesses  in  the design or
operation  of  internal  control  over  financial reporting which are reasonably
likely  to  adversely  affect  the  Registrant's  ability  to  record,  process,
summarize, and report financial information; and

b)    any fraud, whether or not material,  that  involves  management  or  other
employees  who have a significant role in the Registrant's internal control over
financial reporting.

Date: January 4, 2007                               By: /s/ Peter E. Sundman
                                                        ------------------------
                                                        Peter E. Sundman
                                                        Chief Executive Officer


I, John M. McGovern, certify that:

1.    I have reviewed this report on Form N-CSR of Neuberger Berman Income
Opportunity Fund Inc. ("Registrant");

2.    Based  on  my knowledge, this report does not contain any untrue statement
of a material fact  or  omit  to  state  a  material  fact necessary to make the
statements made, in light of the circumstances under which  such statements were
made, not misleading with respect to the period covered by this report;

3.    Based  on  my  knowledge,  the  financial statements, and other  financial
information included in this report, fairly present in all material respects the
financial condition, results of operations,  changes  in  net  assets,  and cash
flows  (if the financial statements are required to include a statement of  cash
flows) of the Registrant as of, and for, the periods presented in this report;

4.    The  Registrant's  other  certifying  officers  and  I are responsible for
establishing and maintaining disclosure controls and procedures  (as  defined in
rule  30a-3(c)  under  the  Investment Company Act of 1940) and internal control
over financial reporting (as  defined  in  Rule  30a-3(d)  under  the Investment
Company Act of 1940) for the Registrant and have:

a)    designed   such   disclosure  controls  and  procedures,  or  caused  such
disclosure controls and procedures  to  be  designed  under  our supervision, to
ensure  that  material  information  relating  to the Registrant, including  its
consolidated subsidiaries, is made known to us by  others within those entities,
particularly during the period in which this report is being prepared;

b)    designed such internal control over financial  reporting,  or  caused such
internal  control  over financial reporting to be designed under our supervision
to provide reasonable assurance regarding the reliability of financial reporting
and the preparation  of financial statements for external purposes in accordance
with generally accepted accounting principles;

c)    evaluated the effectiveness  of  the  Registrant's disclosure controls and
procedures and presented in this report our conclusions  about the effectiveness
of the disclosure controls and procedures as of a date within  90  days prior to
the filing date of this report based on such evaluation; and

d)    disclosed  in this report any change in the Registrant's internal  control
over financial reporting  that  occurred during the second fiscal quarter of the
period covered by this report that  has  materially  affected,  or is reasonably
likely  to  materially affect, the Registrant's internal control over  financial
reporting; and

5.    The Registrant's  other  certifying  officers  and I have disclosed to the
Registrant's  auditors  and  the  audit committee of the Registrant's  board  of
directors (or persons performing the equivalent functions):

a)    all significant deficiencies  and  material  weaknesses  in  the design or
operation  of  internal  control  over  financial reporting which are reasonably
likely  to  adversely  affect  the  Registrant's  ability  to  record,  process,
summarize, and report financial information; and

b)    any fraud, whether or not material,  that  involves  management  or  other
employees  who have a significant role in the Registrant's internal control over
financial reporting.

Dated: January 4, 2007                                  By: /s/ John M. McGovern
                                                        ------------------------
                                                        John M. McGovern
                                                        Treasurer and Principal
                                                        Financial
                                                        and Accounting Officer